15400130 has 32 divisors (see below), whose sum is σ = 29588976. Its totient is φ = 5750784.

The previous prime is 15400111. The next prime is 15400159. The reversal of 15400130 is 3100451.

It can be written as a sum of positive squares in 8 ways, for example, as 12313081 + 3087049 = 3509^2 + 1757^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26402 + ... + 26978.

Almost surely, 2^15400130 is an apocalyptic number.

15400130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15400130 is a deficient number, since it is larger than the sum of its proper divisors (14188846).

15400130 is a wasteful number, since it uses less digits than its factorization.

15400130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 15400130 is about 3924.2999375685. The cubic root of 15400130 is about 248.7948935412.

Adding to 15400130 its reverse (3100451), we get a palindrome (18500581).

The spelling of 15400130 in words is "fifteen million, four hundred thousand, one hundred thirty".