15890130 has 24 divisors (see below), whose sum is σ = 41314572. Its totient is φ = 4237344.

The previous prime is 15890123. The next prime is 15890141. The reversal of 15890130 is 3109851.

It can be written as a sum of positive squares in 2 ways, for example, as 14768649 + 1121481 = 3843^2 + 1059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15890094 and 15890103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88189 + ... + 88368.

Almost surely, 2^15890130 is an apocalyptic number.

15890130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15890130 is an abundant number, since it is smaller than the sum of its proper divisors (25424442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15890130 is a wasteful number, since it uses less digits than its factorization.

15890130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176570 (or 176567 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 15890130 is about 3986.2425917147. The cubic root of 15890130 is about 251.4061033334.

Adding to 15890130 its reverse (3109851), we get a palindrome (18999981).

The spelling of 15890130 in words is "fifteen million, eight hundred ninety thousand, one hundred thirty".