15135464 has 8 divisors (see below), whose sum is σ = 28379010. Its totient is φ = 7567728.

The previous prime is 15135433. The next prime is 15135467. The reversal of 15135464 is 46453151.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15132100 + 3364 = 3890^2 + 58^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (15135467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945959 + ... + 945974.

Almost surely, 2^15135464 is an apocalyptic number.

It is an amenable number.

15135464 is a deficient number, since it is larger than the sum of its proper divisors (13243546).

15135464 is a wasteful number, since it uses less digits than its factorization.

15135464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891939 (or 1891935 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 15135464 is about 3890.4323667171. The cubic root of 15135464 is about 247.3613902650.

The spelling of 15135464 in words is "fifteen million, one hundred thirty-five thousand, four hundred sixty-four".