1505136868 has 12 divisors (see below), whose sum is σ = 2634876972. Its totient is φ = 752314880.

The previous prime is 1505136847. The next prime is 1505136929. The reversal of 1505136868 is 8686315051.

It can be written as a sum of positive squares in 2 ways, for example, as 1446889444 + 58247424 = 38038^2 + 7632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49705 + ... + 74032.

It is an arithmetic number, because the mean of its divisors is an integer number (219573081).

Almost surely, 2^1505136868 is an apocalyptic number.

It is an amenable number.

1505136868 is a deficient number, since it is larger than the sum of its proper divisors (1129740104).

1505136868 is a wasteful number, since it uses less digits than its factorization.

1505136868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126782 (or 126780 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 1505136868 is about 38796.0934631311. The cubic root of 1505136868 is about 1146.0194750530.

The spelling of 1505136868 in words is "one billion, five hundred five million, one hundred thirty-six thousand, eight hundred sixty-eight".