140236630436 has 48 divisors (see below), whose sum is σ = 285804718080. Its totient is φ = 58967585280.

The previous prime is 140236630403. The next prime is 140236630447. The reversal of 140236630436 is 634036632041.

It is a self number, because there is not a number n which added to its sum of digits gives 140236630436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210800 + ... + 570008.

It is an arithmetic number, because the mean of its divisors is an integer number (5954264960).

Almost surely, 2^140236630436 is an apocalyptic number.

It is an amenable number.

140236630436 is an abundant number, since it is smaller than the sum of its proper divisors (145568087644).

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

140236630436 is a wasteful number, since it uses less digits than its factorization.

140236630436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359484 (or 359482 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 140236630436 in words is "one hundred forty billion, two hundred thirty-six million, six hundred thirty thousand, four hundred thirty-six".