140514979 has 12 divisors (see below), whose sum is σ = 162840168. Its totient is φ = 120224000.

The previous prime is 140514973. The next prime is 140514991. The reversal of 140514979 is 979415041.

It is not a de Polignac number, because 140514979 - 2²⁵ = 106960547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140514973) 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, 18922 + ... + 25279.

It is an arithmetic number, because the mean of its divisors is an integer number (13570014).

Almost surely, 2^140514979 is an apocalyptic number.

140514979 is a deficient number, since it is larger than the sum of its proper divisors (22325189).

140514979 is a wasteful number, since it uses less digits than its factorization.

140514979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44246 (or 44229 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 140514979 is about 11853.9014252692. The cubic root of 140514979 is about 519.8853038454.

It can be divided in two parts, 1405 and 14979, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 140514979 in words is "one hundred forty million, five hundred fourteen thousand, nine hundred seventy-nine".