13650015140 has 24 divisors (see below), whose sum is σ = 29134952952. Its totient is φ = 5370497280.

The previous prime is 13650015107. The next prime is 13650015143. The reversal of 13650015140 is 4151005631.

It can be written as a sum of positive squares in 4 ways, for example, as 13380964 + 13636634176 = 3658^2 + 116776^2 .

It is a super-3 number, since 3×13650015140³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13650015143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593049 + ... + 5595488.

It is an arithmetic number, because the mean of its divisors is an integer number (1213956373).

Almost surely, 2^13650015140 is an apocalyptic number.

13650015140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13650015140 is an abundant number, since it is smaller than the sum of its proper divisors (15484937812).

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

13650015140 is a wasteful number, since it uses less digits than its factorization.

13650015140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188607 (or 11188605 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 13650015140 in words is "thirteen billion, six hundred fifty million, fifteen thousand, one hundred forty".