139106476 has 12 divisors (see below), whose sum is σ = 243885208. Its totient is φ = 69424992.

The previous prime is 139106453. The next prime is 139106477. The reversal of 139106476 is 674601931.

It is a super-2 number, since 2×139106476² = 38701223330277152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139106477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29601 + ... + 33976.

Almost surely, 2^139106476 is an apocalyptic number.

It is an amenable number.

139106476 is a deficient number, since it is larger than the sum of its proper divisors (104778732).

139106476 is a wasteful number, since it uses less digits than its factorization.

139106476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64128 (or 64126 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 139106476 is about 11794.3408463551. The cubic root of 139106476 is about 518.1423807213.

The spelling of 139106476 in words is "one hundred thirty-nine million, one hundred six thousand, four hundred seventy-six".