13345940775 has 12 divisors (see below), whose sum is σ = 22065288872. Its totient is φ = 7117835040.

The previous prime is 13345940753. The next prime is 13345940809. The reversal of 13345940775 is 57704954331.

It is a happy number.

It is not a de Polignac number, because 13345940775 - 2¹² = 13345936679 is a prime.

It is a super-2 number, since 2×13345940775² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 88972864 + ... + 88973013.

Almost surely, 2^13345940775 is an apocalyptic number.

13345940775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13345940775 is a deficient number, since it is larger than the sum of its proper divisors (8719348097).

13345940775 is a wasteful number, since it uses less digits than its factorization.

13345940775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177945890 (or 177945885 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 48.

The spelling of 13345940775 in words is "thirteen billion, three hundred forty-five million, nine hundred forty thousand, seven hundred seventy-five".