15140739 has 16 divisors (see below), whose sum is σ = 22176000. Its totient is φ = 9146016.

The previous prime is 15140737. The next prime is 15140743. The reversal of 15140739 is 93704151.

15140739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15140739 - 2¹ = 15140737 is a prime.

It is a super-2 number, since 2×15140739² = 458483954932242, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (15140737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4464 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (1386000).

Almost surely, 2^15140739 is an apocalyptic number.

15140739 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

15140739 is a deficient number, since it is larger than the sum of its proper divisors (7035261).

15140739 is a wasteful number, since it uses less digits than its factorization.

15140739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11594.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 15140739 is about 3891.1102528713. The cubic root of 15140739 is about 247.3901236596.

The spelling of 15140739 in words is "fifteen million, one hundred forty thousand, seven hundred thirty-nine".