140234157 has 24 divisors (see below), whose sum is σ = 233800320. Its totient is φ = 79336800.

The previous prime is 140234123. The next prime is 140234183. The reversal of 140234157 is 751432041.

It is not a de Polignac number, because 140234157 - 2¹² = 140230061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140234157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140234257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4657 + ... + 17382.

It is an arithmetic number, because the mean of its divisors is an integer number (9741680).

Almost surely, 2^140234157 is an apocalyptic number.

It is an amenable number.

140234157 is a deficient number, since it is larger than the sum of its proper divisors (93566163).

140234157 is a wasteful number, since it uses less digits than its factorization.

140234157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22153 (or 22150 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 140234157 is about 11842.0503714517. The cubic root of 140234157 is about 519.5387391396.

Adding to 140234157 its reverse (751432041), we get a palindrome (891666198).

The spelling of 140234157 in words is "one hundred forty million, two hundred thirty-four thousand, one hundred fifty-seven".