140374357 has 2 divisors, whose sum is σ = 140374358. Its totient is φ = 140374356.

The previous prime is 140374343. The next prime is 140374361. The reversal of 140374357 is 753473041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101324356 + 39050001 = 10066^2 + 6249^2 .

It is a cyclic number.

It is not a de Polignac number, because 140374357 - 2²⁷ = 6156629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140374307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70187178 + 70187179.

It is an arithmetic number, because the mean of its divisors is an integer number (70187179).

Almost surely, 2^140374357 is an apocalyptic number.

It is an amenable number.

140374357 is a deficient number, since it is larger than the sum of its proper divisors (1).

140374357 is an equidigital number, since it uses as much as digits as its factorization.

140374357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 140374357 is about 11847.9684756502. The cubic root of 140374357 is about 519.7118188714.

The spelling of 140374357 in words is "one hundred forty million, three hundred seventy-four thousand, three hundred fifty-seven".