140283157 has 16 divisors (see below), whose sum is σ = 164686720. Its totient is φ = 116992512.

The previous prime is 140283131. The next prime is 140283191. The reversal of 140283157 is 751382041.

It is a de Polignac number, because none of the positive numbers 2^k-140283157 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 (140283107) 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, 93469 + ... + 94957.

It is an arithmetic number, because the mean of its divisors is an integer number (10292920).

Almost surely, 2^140283157 is an apocalyptic number.

It is an amenable number.

140283157 is a deficient number, since it is larger than the sum of its proper divisors (24403563).

140283157 is a wasteful number, since it uses less digits than its factorization.

140283157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 140283157 is about 11844.1190892358. The cubic root of 140283157 is about 519.5992437372.

The spelling of 140283157 in words is "one hundred forty million, two hundred eighty-three thousand, one hundred fifty-seven".