1534136220 has 96 divisors (see below), whose sum is σ = 4793241600. Its totient is φ = 407356992.

The previous prime is 1534136213. The next prime is 1534136249. The reversal of 1534136220 is 226314351.

1534136220 is a `hidden beast` number, since 1 + 5 + 34 + 1 + 3 + 622 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123117 + ... + 135003.

It is an arithmetic number, because the mean of its divisors is an integer number (49929600).

Almost surely, 2^1534136220 is an apocalyptic number.

1534136220 is a gapful number since it is divisible by the number (10) 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 1534136220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2396620800).

1534136220 is an abundant number, since it is smaller than the sum of its proper divisors (3259105380).

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

1534136220 is a wasteful number, since it uses less digits than its factorization.

1534136220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12144 (or 12136 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1534136220 is about 39168.0510109962. The cubic root of 1534136220 is about 1153.3327944652.

The spelling of 1534136220 in words is "one billion, five hundred thirty-four million, one hundred thirty-six thousand, two hundred twenty".