140525157 has 4 divisors (see below), whose sum is σ = 187366880. Its totient is φ = 93683436.

The previous prime is 140525129. The next prime is 140525167. The reversal of 140525157 is 751525041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140525157 - 2⁶ = 140525093 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 (140525107) 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, 23420857 + ... + 23420862.

It is an arithmetic number, because the mean of its divisors is an integer number (46841720).

Almost surely, 2^140525157 is an apocalyptic number.

It is an amenable number.

140525157 is a deficient number, since it is larger than the sum of its proper divisors (46841723).

140525157 is an equidigital number, since it uses as much as digits as its factorization.

140525157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46841722.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 140525157 is about 11854.3307276286. The cubic root of 140525157 is about 519.8978559233.

It can be divided in two parts, 1405 and 25157, that added together give a palindrome (26562).

The spelling of 140525157 in words is "one hundred forty million, five hundred twenty-five thousand, one hundred fifty-seven".