140257344 has 112 divisors (see below), whose sum is σ = 397873728. Its totient is φ = 43450368.

The previous prime is 140257339. The next prime is 140257391. The reversal of 140257344 is 443752041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316387 + ... + 316829.

It is an arithmetic number, because the mean of its divisors is an integer number (3552444).

Almost surely, 2^140257344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140257344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198936864).

140257344 is an abundant number, since it is smaller than the sum of its proper divisors (257616384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140257344 is a wasteful number, since it uses less digits than its factorization.

140257344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 140257344 is about 11843.0293421911. The cubic root of 140257344 is about 519.5673719186.

The spelling of 140257344 in words is "one hundred forty million, two hundred fifty-seven thousand, three hundred forty-four".