15102140 has 12 divisors (see below), whose sum is σ = 31714536. Its totient is φ = 6040848.

The previous prime is 15102133. The next prime is 15102149. The reversal of 15102140 is 4120151.

It is a super-3 number, since 3×15102140³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15102149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 377534 + ... + 377573.

It is an arithmetic number, because the mean of its divisors is an integer number (2642878).

Almost surely, 2^15102140 is an apocalyptic number.

15102140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15102140 is an abundant number, since it is smaller than the sum of its proper divisors (16612396).

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

15102140 is a wasteful number, since it uses less digits than its factorization.

15102140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755116 (or 755114 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 15102140 is about 3886.1471922715. The cubic root of 15102140 is about 247.1797169884.

Adding to 15102140 its reverse (4120151), we get a palindrome (19222291).

The spelling of 15102140 in words is "fifteen million, one hundred two thousand, one hundred forty".