140551357 has 2 divisors, whose sum is σ = 140551358. Its totient is φ = 140551356.

The previous prime is 140551319. The next prime is 140551399. The reversal of 140551357 is 753155041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135047641 + 5503716 = 11621^2 + 2346^2 .

It is a cyclic number.

It is not a de Polignac number, because 140551357 - 2²³ = 132162749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140551057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70275678 + 70275679.

It is an arithmetic number, because the mean of its divisors is an integer number (70275679).

Almost surely, 2^140551357 is an apocalyptic number.

It is an amenable number.

140551357 is a deficient number, since it is larger than the sum of its proper divisors (1).

140551357 is an equidigital number, since it uses as much as digits as its factorization.

140551357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 140551357 is about 11855.4357574912. The cubic root of 140551357 is about 519.9301644381.

The spelling of 140551357 in words is "one hundred forty million, five hundred fifty-one thousand, three hundred fifty-seven".