139315750 has 32 divisors (see below), whose sum is σ = 298059840. Its totient is φ = 47764800.

The previous prime is 139315741. The next prime is 139315751. The reversal of 139315750 is 57513931.

139315750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139315751) 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, 38055 + ... + 41554.

It is an arithmetic number, because the mean of its divisors is an integer number (9314370).

Almost surely, 2^139315750 is an apocalyptic number.

139315750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139315750 is an abundant number, since it is smaller than the sum of its proper divisors (158744090).

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

139315750 is an equidigital number, since it uses as much as digits as its factorization.

139315750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79633 (or 79623 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 139315750 is about 11803.2093093362. The cubic root of 139315750 is about 518.4020844165.

The spelling of 139315750 in words is "one hundred thirty-nine million, three hundred fifteen thousand, seven hundred fifty".