140270957 has 2 divisors, whose sum is σ = 140270958. Its totient is φ = 140270956.

The previous prime is 140270953. The next prime is 140271007. The reversal of 140270957 is 759072041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89661961 + 50608996 = 9469^2 + 7114^2 .

It is a cyclic number.

It is not a de Polignac number, because 140270957 - 2² = 140270953 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140270953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70135478 + 70135479.

It is an arithmetic number, because the mean of its divisors is an integer number (70135479).

Almost surely, 2^140270957 is an apocalyptic number.

It is an amenable number.

140270957 is a deficient number, since it is larger than the sum of its proper divisors (1).

140270957 is an equidigital number, since it uses as much as digits as its factorization.

140270957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 140270957 is about 11843.6040545098. The cubic root of 140270957 is about 519.5841806447.

The spelling of 140270957 in words is "one hundred forty million, two hundred seventy thousand, nine hundred fifty-seven".