139093798 has 12 divisors (see below), whose sum is σ = 212247540. Its totient is φ = 68364716.

The previous prime is 139093793. The next prime is 139093819. The reversal of 139093798 is 897390931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139093793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3028 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (17687295).

Almost surely, 2^139093798 is an apocalyptic number.

139093798 is a deficient number, since it is larger than the sum of its proper divisors (73153742).

139093798 is an equidigital number, since it uses as much as digits as its factorization.

139093798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20099 (or 20040 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 139093798 is about 11793.8033729582. The cubic root of 139093798 is about 518.1266392815.

The spelling of 139093798 in words is "one hundred thirty-nine million, ninety-three thousand, seven hundred ninety-eight".