15990134 has 12 divisors (see below), whose sum is σ = 25315164. Its totient is φ = 7573932.

The previous prime is 15990131. The next prime is 15990151. The reversal of 15990134 is 43109951.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15990134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15990131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10352 + ... + 11795.

It is an arithmetic number, because the mean of its divisors is an integer number (2109597).

Almost surely, 2^15990134 is an apocalyptic number.

15990134 is a deficient number, since it is larger than the sum of its proper divisors (9325030).

15990134 is a wasteful number, since it uses less digits than its factorization.

15990134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22187 (or 22168 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 15990134 is about 3998.7665598282. The cubic root of 15990134 is about 251.9324060752.

The spelling of 15990134 in words is "fifteen million, nine hundred ninety thousand, one hundred thirty-four".