1015139158 has 16 divisors (see below), whose sum is σ = 1663313616. Its totient is φ = 460822240.

The previous prime is 1015139123. The next prime is 1015139317. The reversal of 1015139158 is 8519315101.

It is a happy number.

1015139158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12841 + ... + 46852.

It is an arithmetic number, because the mean of its divisors is an integer number (103957101).

Almost surely, 2^1015139158 is an apocalyptic number.

1015139158 is a deficient number, since it is larger than the sum of its proper divisors (648174458).

1015139158 is a wasteful number, since it uses less digits than its factorization.

1015139158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60479.

The product of its (nonzero) digits is 5400, while the sum is 34.

The square root of 1015139158 is about 31861.2485317195. The cubic root of 1015139158 is about 1005.0211320359.

The spelling of 1015139158 in words is "one billion, fifteen million, one hundred thirty-nine thousand, one hundred fifty-eight".