139158734 has 16 divisors (see below), whose sum is σ = 245231280. Its totient is φ = 58388160.

The previous prime is 139158727. The next prime is 139158829. The reversal of 139158734 is 437851931.

It is a junction number, because it is equal to n+sod(n) for n = 139158691 and 139158700.

It is a congruent 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, 242999 + ... + 243570.

It is an arithmetic number, because the mean of its divisors is an integer number (15326955).

Almost surely, 2^139158734 is an apocalyptic number.

139158734 is a deficient number, since it is larger than the sum of its proper divisors (106072546).

139158734 is a wasteful number, since it uses less digits than its factorization.

139158734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486595.

The product of its digits is 90720, while the sum is 41.

The square root of 139158734 is about 11796.5560228399. The cubic root of 139158734 is about 518.2072559530.

The spelling of 139158734 in words is "one hundred thirty-nine million, one hundred fifty-eight thousand, seven hundred thirty-four".