139198476 has 12 divisors (see below), whose sum is σ = 324796472. Its totient is φ = 46399488.

The previous prime is 139198471. The next prime is 139198483. The reversal of 139198476 is 674891931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (139198471) 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, 5799925 + ... + 5799948.

Almost surely, 2^139198476 is an apocalyptic number.

It is an amenable number.

139198476 is an abundant number, since it is smaller than the sum of its proper divisors (185597996).

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

139198476 is a wasteful number, since it uses less digits than its factorization.

139198476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599880 (or 11599878 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 139198476 is about 11798.2403772766. The cubic root of 139198476 is about 518.2565824354.

The spelling of 139198476 in words is "one hundred thirty-nine million, one hundred ninety-eight thousand, four hundred seventy-six".