140317506738 has 40 divisors (see below), whose sum is σ = 315040416768. Its totient is φ = 46679488056.

The previous prime is 140317506737. The next prime is 140317506751. The reversal of 140317506738 is 837605713041.

140317506738 is a `hidden beast` number, since 1 + 40 + 31 + 7 + 506 + 73 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 140317506693 and 140317506702.

It is not an unprimeable number, because it can be changed into a prime (140317506737) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 779506 + ... + 942477.

Almost surely, 2^140317506738 is an apocalyptic number.

140317506738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140317506738 is an abundant number, since it is smaller than the sum of its proper divisors (174722910030).

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

140317506738 is a wasteful number, since it uses less digits than its factorization.

140317506738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722500 (or 1722491 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 140317506738 in words is "one hundred forty billion, three hundred seventeen million, five hundred six thousand, seven hundred thirty-eight".