139401298 has 8 divisors (see below), whose sum is σ = 218193408. Its totient is φ = 66670164.

The previous prime is 139401281. The next prime is 139401307. The reversal of 139401298 is 892104931.

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

It is an unprimeable number.

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, 1515186 + ... + 1515277.

It is an arithmetic number, because the mean of its divisors is an integer number (27274176).

Almost surely, 2^139401298 is an apocalyptic number.

139401298 is a deficient number, since it is larger than the sum of its proper divisors (78792110).

139401298 is a wasteful number, since it uses less digits than its factorization.

139401298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030488.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 139401298 is about 11806.8326828155. The cubic root of 139401298 is about 518.5081724148.

The spelling of 139401298 in words is "one hundred thirty-nine million, four hundred one thousand, two hundred ninety-eight".