13000133040 has 40 divisors (see below), whose sum is σ = 40300413168. Its totient is φ = 3466702080.

The previous prime is 13000133023. The next prime is 13000133057. The reversal of 13000133040 is 4033100031.

It is an interprime number because it is at equal distance from previous prime (13000133023) and next prime (13000133057).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27083371 + ... + 27083850.

Almost surely, 2^13000133040 is an apocalyptic number.

13000133040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13000133040 is an abundant number, since it is smaller than the sum of its proper divisors (27300280128).

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

13000133040 is a wasteful number, since it uses less digits than its factorization.

13000133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54167237 (or 54167231 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13000133040 its reverse (4033100031), we get a palindrome (17033233071).

The spelling of 13000133040 in words is "thirteen billion, one hundred thirty-three thousand, forty".