140039529787872 has 144 divisors (see below), whose sum is σ = 467859338292528. Its totient is φ = 39171896432640.

The previous prime is 140039529787849. The next prime is 140039529787889. The reversal of 140039529787872 is 278787925930041.

It is a happy number.

140039529787872 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 395 + 2 + 97 + 87 + 8 + 72 = 666.

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

It is a super-2 number, since 2×140039529787872² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 140039529787872.

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, 1700127933 + ... + 1700210300.

It is an arithmetic number, because the mean of its divisors is an integer number (3249023182587).

Almost surely, 2^{140039529787872} is an apocalyptic number.

140039529787872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140039529787872 is an abundant number, since it is smaller than the sum of its proper divisors (327819808504656).

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

140039529787872 is a wasteful number, since it uses less digits than its factorization.

140039529787872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400338273 (or 3400338262 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 72.

The spelling of 140039529787872 in words is "one hundred forty trillion, thirty-nine billion, five hundred twenty-nine million, seven hundred eighty-seven thousand, eight hundred seventy-two".