15136461 has 24 divisors (see below), whose sum is σ = 23115456. Its totient is φ = 9525120.

The previous prime is 15136453. The next prime is 15136489. The reversal of 15136461 is 16463151.

15136461 is a `hidden beast` number, since 1 + 5 + 13 + 646 + 1 = 666.

It is not a de Polignac number, because 15136461 - 2³ = 15136453 is a prime.

It is a super-2 number, since 2×15136461² = 458224903209042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15131461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16741 + ... + 17621.

It is an arithmetic number, because the mean of its divisors is an integer number (963144).

Almost surely, 2^15136461 is an apocalyptic number.

It is an amenable number.

15136461 is a deficient number, since it is larger than the sum of its proper divisors (7978995).

15136461 is a wasteful number, since it uses less digits than its factorization.

15136461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 990 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 15136461 is about 3890.5604994653. The cubic root of 15136461 is about 247.3668215244.

The spelling of 15136461 in words is "fifteen million, one hundred thirty-six thousand, four hundred sixty-one".