15136740 has 48 divisors (see below), whose sum is σ = 47093760. Its totient is φ = 4036320.

The previous prime is 15136739. The next prime is 15136757. The reversal of 15136740 is 4763151.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 13476 + ... + 14555.

It is an arithmetic number, because the mean of its divisors is an integer number (981120).

Almost surely, 2^15136740 is an apocalyptic number.

15136740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15136740 is an abundant number, since it is smaller than the sum of its proper divisors (31957020).

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

15136740 is a wasteful number, since it uses less digits than its factorization.

15136740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28049 (or 28041 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 15136740 is about 3890.5963553162. The cubic root of 15136740 is about 247.3683413627.

Adding to 15136740 its reverse (4763151), we get a palindrome (19899891).

It can be divided in two parts, 15136 and 740, that added together give a square (15876 = 126²).

The spelling of 15136740 in words is "fifteen million, one hundred thirty-six thousand, seven hundred forty".