139802652 has 48 divisors (see below), whose sum is σ = 395404800. Its totient is φ = 42364080.

The previous prime is 139802651. The next prime is 139802657. The reversal of 139802652 is 256208931.

139802652 is a `hidden beast` number, since 1 + 398 + 0 + 265 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139802651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57652 + ... + 60027.

It is an arithmetic number, because the mean of its divisors is an integer number (8237600).

Almost surely, 2^139802652 is an apocalyptic number.

139802652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139802652 is an abundant number, since it is smaller than the sum of its proper divisors (255602148).

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

139802652 is a wasteful number, since it uses less digits than its factorization.

139802652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117703 (or 117695 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 139802652 is about 11823.8171501423. The cubic root of 139802652 is about 519.0053125187.

The spelling of 139802652 in words is "one hundred thirty-nine million, eight hundred two thousand, six hundred fifty-two".