140939377 has 16 divisors (see below), whose sum is σ = 150497280. Its totient is φ = 131698512.

The previous prime is 140939369. The next prime is 140939387. The reversal of 140939377 is 773939041.

It is a cyclic number.

It is not a de Polignac number, because 140939377 - 2³ = 140939369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140939317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383848 + ... + 384214.

It is an arithmetic number, because the mean of its divisors is an integer number (9406080).

Almost surely, 2^140939377 is an apocalyptic number.

It is an amenable number.

140939377 is a deficient number, since it is larger than the sum of its proper divisors (9557903).

140939377 is a wasteful number, since it uses less digits than its factorization.

140939377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 140939377 is about 11871.7891238010. The cubic root of 140939377 is about 520.4081817268.

The spelling of 140939377 in words is "one hundred forty million, nine hundred thirty-nine thousand, three hundred seventy-seven".