13540153545 has 12 divisors (see below), whose sum is σ = 23469599556. Its totient is φ = 7221415200.

The previous prime is 13540153511. The next prime is 13540153553. The reversal of 13540153545 is 54535104531.

13540153545 is a `hidden beast` number, since 13 + 54 + 0 + 1 + 53 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1394350281 + 12145803264 = 37341^2 + 110208^2 .

It is not a de Polignac number, because 13540153545 - 2²³ = 13531764937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150446106 + ... + 150446195.

It is an arithmetic number, because the mean of its divisors is an integer number (1955799963).

Almost surely, 2^13540153545 is an apocalyptic number.

13540153545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13540153545 is a deficient number, since it is larger than the sum of its proper divisors (9929446011).

13540153545 is a wasteful number, since it uses less digits than its factorization.

13540153545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300892312 (or 300892309 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 13540153545 in words is "thirteen billion, five hundred forty million, one hundred fifty-three thousand, five hundred forty-five".