139392098 has 16 divisors (see below), whose sum is σ = 224078400. Its totient is φ = 64863216.

The previous prime is 139392079. The next prime is 139392101. The reversal of 139392098 is 890293931.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39248 + ... + 42651.

It is an arithmetic number, because the mean of its divisors is an integer number (14004900).

Almost surely, 2^139392098 is an apocalyptic number.

139392098 is a deficient number, since it is larger than the sum of its proper divisors (84686302).

139392098 is a wasteful number, since it uses less digits than its factorization.

139392098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81961.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 139392098 is about 11806.4430714758. The cubic root of 139392098 is about 518.4967655862.

The spelling of 139392098 in words is "one hundred thirty-nine million, three hundred ninety-two thousand, ninety-eight".