13388891145 has 16 divisors (see below), whose sum is σ = 24482544000. Its totient is φ = 6120635904.

The previous prime is 13388891083. The next prime is 13388891147. The reversal of 13388891145 is 54119888331.

It is not a de Polignac number, because 13388891145 - 2¹⁰ = 13388890121 is a prime.

It is a super-2 number, since 2×13388891145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13388891147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63756520 + ... + 63756729.

It is an arithmetic number, because the mean of its divisors is an integer number (1530159000).

Almost surely, 2^13388891145 is an apocalyptic number.

13388891145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13388891145 is a deficient number, since it is larger than the sum of its proper divisors (11093652855).

13388891145 is a wasteful number, since it uses less digits than its factorization.

13388891145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127513264.

The product of its digits is 829440, while the sum is 51.

The spelling of 13388891145 in words is "thirteen billion, three hundred eighty-eight million, eight hundred ninety-one thousand, one hundred forty-five".