1345397004 has 36 divisors (see below), whose sum is σ = 3886703184. Its totient is φ = 384399072.

The previous prime is 1345397003. The next prime is 1345397023. The reversal of 1345397004 is 4007935431.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1345397004.

It is not an unprimeable number, because it can be changed into a prime (1345397003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2669187 + ... + 2669690.

Almost surely, 2^1345397004 is an apocalyptic number.

1345397004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1345397004 is an abundant number, since it is smaller than the sum of its proper divisors (2541306180).

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

1345397004 is a wasteful number, since it uses less digits than its factorization.

1345397004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338894 (or 5338889 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1345397004 is about 36679.6538151603. The cubic root of 1345397004 is about 1103.9519020476.

The spelling of 1345397004 in words is "one billion, three hundred forty-five million, three hundred ninety-seven thousand, four".