140132979 has 24 divisors (see below), whose sum is σ = 234790400. Its totient is φ = 78878448.

The previous prime is 140132963. The next prime is 140132981. The reversal of 140132979 is 979231041.

It is not a de Polignac number, because 140132979 - 2⁴ = 140132963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140132939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12379 + ... + 20820.

Almost surely, 2^140132979 is an apocalyptic number.

140132979 is a deficient number, since it is larger than the sum of its proper divisors (94657421).

140132979 is a wasteful number, since it uses less digits than its factorization.

140132979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33279 (or 33276 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 140132979 is about 11837.7776208206. Note that the first 3 decimals coincide. The cubic root of 140132979 is about 519.4137611772.

The spelling of 140132979 in words is "one hundred forty million, one hundred thirty-two thousand, nine hundred seventy-nine".