140792357 has 4 divisors (see below), whose sum is σ = 142084140. Its totient is φ = 139500576.

The previous prime is 140792341. The next prime is 140792371. The reversal of 140792357 is 753297041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106523041 + 34269316 = 10321^2 + 5854^2 .

It is a cyclic number.

It is not a de Polignac number, because 140792357 - 2⁴ = 140792341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140792357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140792557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645728 + ... + 645945.

It is an arithmetic number, because the mean of its divisors is an integer number (35521035).

Almost surely, 2^140792357 is an apocalyptic number.

It is an amenable number.

140792357 is a deficient number, since it is larger than the sum of its proper divisors (1291783).

140792357 is a wasteful number, since it uses less digits than its factorization.

140792357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291782.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 140792357 is about 11865.5955181356. The cubic root of 140792357 is about 520.2271652933.

The spelling of 140792357 in words is "one hundred forty million, seven hundred ninety-two thousand, three hundred fifty-seven".