13490999145 has 192 divisors, whose sum is σ = 28266900480. Its totient is φ = 6112309248.

The previous prime is 13490999129. The next prime is 13490999147. The reversal of 13490999145 is 54199909431.

It is a happy number.

13490999145 is a `hidden beast` number, since 1 + 3 + 490 + 9 + 9 + 9 + 145 = 666.

It is not a de Polignac number, because 13490999145 - 2⁴ = 13490999129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13490999091 and 13490999100.

It is not an unprimeable number, because it can be changed into a prime (13490999147) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12619671 + ... + 12620739.

It is an arithmetic number, because the mean of its divisors is an integer number (147223440).

Almost surely, 2^13490999145 is an apocalyptic number.

13490999145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13490999145 is an abundant number, since it is smaller than the sum of its proper divisors (14775901335).

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

13490999145 is a wasteful number, since it uses less digits than its factorization.

13490999145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 13490999145 in words is "thirteen billion, four hundred ninety million, nine hundred ninety-nine thousand, one hundred forty-five".