140265131 has 2 divisors, whose sum is σ = 140265132. Its totient is φ = 140265130.

The previous prime is 140265127. The next prime is 140265161. The reversal of 140265131 is 131562041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140265131 - 2² = 140265127 is a prime.

It is a super-2 number, since 2×140265131² = 39348613948894322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140265097 and 140265106.

It is not a weakly prime, because it can be changed into another prime (140265161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70132565 + 70132566.

It is an arithmetic number, because the mean of its divisors is an integer number (70132566).

Almost surely, 2^140265131 is an apocalyptic number.

140265131 is a deficient number, since it is larger than the sum of its proper divisors (1).

140265131 is an equidigital number, since it uses as much as digits as its factorization.

140265131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 140265131 is about 11843.3580964184. The cubic root of 140265131 is about 519.5769870925.

The spelling of 140265131 in words is "one hundred forty million, two hundred sixty-five thousand, one hundred thirty-one".