140791964 has 12 divisors (see below), whose sum is σ = 246525888. Its totient is φ = 70356000.

The previous prime is 140791951. The next prime is 140791967. The reversal of 140791964 is 469197041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140791967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217 + ... + 16824.

It is an arithmetic number, because the mean of its divisors is an integer number (20543824).

Almost surely, 2^140791964 is an apocalyptic number.

It is an amenable number.

140791964 is a deficient number, since it is larger than the sum of its proper divisors (105733924).

140791964 is a wasteful number, since it uses less digits than its factorization.

140791964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19996 (or 19994 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 140791964 is about 11865.5789576405. The cubic root of 140791964 is about 520.2266812484.

The spelling of 140791964 in words is "one hundred forty million, seven hundred ninety-one thousand, nine hundred sixty-four".