139500134 has 8 divisors (see below), whose sum is σ = 213198480. Its totient is φ = 68433976.

The previous prime is 139500091. The next prime is 139500143. The reversal of 139500134 is 431005931.

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

It is a Curzon number.

It is a congruent number.

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, 657914 + ... + 658125.

It is an arithmetic number, because the mean of its divisors is an integer number (26649810).

Almost surely, 2^139500134 is an apocalyptic number.

139500134 is a deficient number, since it is larger than the sum of its proper divisors (73698346).

139500134 is a wasteful number, since it uses less digits than its factorization.

139500134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316094.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 139500134 is about 11811.0174836887. The cubic root of 139500134 is about 518.6306848249.

The spelling of 139500134 in words is "one hundred thirty-nine million, five hundred thousand, one hundred thirty-four".