140055131 has 2 divisors, whose sum is σ = 140055132. Its totient is φ = 140055130.

The previous prime is 140055121. The next prime is 140055133. The reversal of 140055131 is 131550041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140055131 - 2²⁶ = 72946267 is a prime.

It is a super-2 number, since 2×140055131² = 39230879438854322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 140055133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140055133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70027565 + 70027566.

It is an arithmetic number, because the mean of its divisors is an integer number (70027566).

Almost surely, 2^140055131 is an apocalyptic number.

140055131 is a deficient number, since it is larger than the sum of its proper divisors (1).

140055131 is an equidigital number, since it uses as much as digits as its factorization.

140055131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 140055131 is about 11834.4890468495. The cubic root of 140055131 is about 519.3175601432.

The spelling of 140055131 in words is "one hundred forty million, fifty-five thousand, one hundred thirty-one".