139001402 has 8 divisors (see below), whose sum is σ = 208840800. Its totient is φ = 69387804.

The previous prime is 139001399. The next prime is 139001411. The reversal of 139001402 is 204100931.

139001402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54902 + ... + 57377.

It is an arithmetic number, because the mean of its divisors is an integer number (26105100).

Almost surely, 2^139001402 is an apocalyptic number.

139001402 is a deficient number, since it is larger than the sum of its proper divisors (69839398).

139001402 is a wasteful number, since it uses less digits than its factorization.

139001402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112900.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 139001402 is about 11789.8855804456. The cubic root of 139001402 is about 518.0118883394.

The spelling of 139001402 in words is "one hundred thirty-nine million, one thousand, four hundred two".