136028431251 has 48 divisors (see below), whose sum is σ = 200873979072. Its totient is φ = 88687872000.

The previous prime is 136028431249. The next prime is 136028431267. The reversal of 136028431251 is 152134820631.

136028431251 is a `hidden beast` number, since 1 + 3 + 60 + 284 + 312 + 5 + 1 = 666.

It is not a de Polignac number, because 136028431251 - 2¹ = 136028431249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136028431951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32148306 + ... + 32152536.

It is an arithmetic number, because the mean of its divisors is an integer number (4184874564).

Almost surely, 2^136028431251 is an apocalyptic number.

136028431251 is a deficient number, since it is larger than the sum of its proper divisors (64845547821).

136028431251 is a wasteful number, since it uses less digits than its factorization.

136028431251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764 (or 4761 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 136028431251 in words is "one hundred thirty-six billion, twenty-eight million, four hundred thirty-one thousand, two hundred fifty-one".