140396976 has 100 divisors (see below), whose sum is σ = 410029312. Its totient is φ = 46376064.

The previous prime is 140396941. The next prime is 140396989. The reversal of 140396976 is 679693041.

It is a super-2 number, since 2×140396976² = 39422621739889152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 164166 + ... + 165018.

Almost surely, 2^140396976 is an apocalyptic number.

140396976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140396976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205014656).

140396976 is an abundant number, since it is smaller than the sum of its proper divisors (269632336).

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

140396976 is a wasteful number, since it uses less digits than its factorization.

140396976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 140396976 is about 11848.9229890315. The cubic root of 140396976 is about 519.7397316862.

The spelling of 140396976 in words is "one hundred forty million, three hundred ninety-six thousand, nine hundred seventy-six".