1345253136 has 80 divisors (see below), whose sum is σ = 3515025024. Its totient is φ = 443318272.

The previous prime is 1345253123. The next prime is 1345253137. The reversal of 1345253136 is 6313525431.

It is a junction number, because it is equal to n+sod(n) for n = 1345253097 and 1345253106.

It is not an unprimeable number, because it can be changed into a prime (1345253137) 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, 2059786 + ... + 2060438.

Almost surely, 2^1345253136 is an apocalyptic number.

1345253136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1345253136 is an abundant number, since it is smaller than the sum of its proper divisors (2169771888).

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

1345253136 is a wasteful number, since it uses less digits than its factorization.

1345253136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1082 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 1345253136 is about 36677.6926209924. The cubic root of 1345253136 is about 1103.9125508342.

Adding to 1345253136 its reverse (6313525431), we get a palindrome (7658778567).

The spelling of 1345253136 in words is "one billion, three hundred forty-five million, two hundred fifty-three thousand, one hundred thirty-six".