140347357 has 16 divisors (see below), whose sum is σ = 154776960. Its totient is φ = 126669312.

The previous prime is 140347343. The next prime is 140347381. The reversal of 140347357 is 753743041.

It is a cyclic number.

It is not a de Polignac number, because 140347357 - 2¹⁵ = 140314589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140344357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146793 + ... + 147745.

It is an arithmetic number, because the mean of its divisors is an integer number (9673560).

Almost surely, 2^140347357 is an apocalyptic number.

It is an amenable number.

140347357 is a deficient number, since it is larger than the sum of its proper divisors (14429603).

140347357 is a wasteful number, since it uses less digits than its factorization.

140347357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

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

The square root of 140347357 is about 11846.8289850069. The cubic root of 140347357 is about 519.6784957888.

The spelling of 140347357 in words is "one hundred forty million, three hundred forty-seven thousand, three hundred fifty-seven".