140339976 has 64 divisors (see below), whose sum is σ = 413921280. Its totient is φ = 38802240.

The previous prime is 140339963. The next prime is 140339977. The reversal of 140339976 is 679933041.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (140339977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8266 + ... + 18681.

It is an arithmetic number, because the mean of its divisors is an integer number (6467520).

Almost surely, 2^140339976 is an apocalyptic number.

It is an amenable number.

140339976 is an abundant number, since it is smaller than the sum of its proper divisors (273581304).

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

140339976 is a wasteful number, since it uses less digits than its factorization.

140339976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26994 (or 26990 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 140339976 is about 11846.5174629509. The cubic root of 140339976 is about 519.6693855016.

The spelling of 140339976 in words is "one hundred forty million, three hundred thirty-nine thousand, nine hundred seventy-six".