15140190 has 32 divisors (see below), whose sum is σ = 39132576. Its totient is φ = 3726720.

The previous prime is 15140137. The next prime is 15140201. The reversal of 15140190 is 9104151.

It is a super-2 number, since 2×15140190² = 458450706472200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19021 + ... + 19800.

It is an arithmetic number, because the mean of its divisors is an integer number (1222893).

Almost surely, 2^15140190 is an apocalyptic number.

15140190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15140190 is an abundant number, since it is smaller than the sum of its proper divisors (23992386).

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

15140190 is a wasteful number, since it uses less digits than its factorization.

15140190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38844.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 15140190 is about 3891.0397068136. The cubic root of 15140190 is about 247.3871335189.

The spelling of 15140190 in words is "fifteen million, one hundred forty thousand, one hundred ninety".