140044634136 has 96 divisors (see below), whose sum is σ = 417865191120. Its totient is φ = 42017568000.

The previous prime is 140044634087. The next prime is 140044634239. The reversal of 140044634136 is 631436440041.

140044634136 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 4 + 4 + 634 + 13 + 6 = 666.

It is a super-2 number, since 2×140044634136² (a number of 23 digits) contains 22 as substring.

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 140044634136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 795375 + ... + 955358.

Almost surely, 2^140044634136 is an apocalyptic number.

It is an amenable number.

140044634136 is an abundant number, since it is smaller than the sum of its proper divisors (277820556984).

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

140044634136 is a wasteful number, since it uses less digits than its factorization.

140044634136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750857 (or 1750850 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 140044634136 in words is "one hundred forty billion, forty-four million, six hundred thirty-four thousand, one hundred thirty-six".