140068013976 has 48 divisors (see below), whose sum is σ = 413837316360. Its totient is φ = 42444852480.

The previous prime is 140068013971. The next prime is 140068013983. The reversal of 140068013976 is 679310860041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140068013971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88425985 + ... + 88427568.

Almost surely, 2^140068013976 is an apocalyptic number.

It is an amenable number.

140068013976 is an abundant number, since it is smaller than the sum of its proper divisors (273769302384).

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

140068013976 is a wasteful number, since it uses less digits than its factorization.

140068013976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176853576 (or 176853569 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 140068013976 in words is "one hundred forty billion, sixty-eight million, thirteen thousand, nine hundred seventy-six".