539423136 has 144 divisors (see below), whose sum is σ = 1790740224. Its totient is φ = 150815232.

The previous prime is 539423119. The next prime is 539423153. The reversal of 539423136 is 631324935.

It is a happy number.

539423136 is a `hidden beast` number, since 5 + 394 + 231 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (539423119) and next prime (539423153).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 539423136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91906 + ... + 97598.

It is an arithmetic number, because the mean of its divisors is an integer number (12435696).

Almost surely, 2^539423136 is an apocalyptic number.

539423136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539423136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895370112).

539423136 is an abundant number, since it is smaller than the sum of its proper divisors (1251317088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539423136 is a wasteful number, since it uses less digits than its factorization.

539423136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763 (or 5752 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 539423136 is about 23225.4846235767. The cubic root of 539423136 is about 814.0352094754.

The spelling of 539423136 in words is "five hundred thirty-nine million, four hundred twenty-three thousand, one hundred thirty-six".