1345769488 has 40 divisors (see below), whose sum is σ = 2984402240. Its totient is φ = 575890560.

The previous prime is 1345769473. The next prime is 1345769501. The reversal of 1345769488 is 8849675431.

It is a super-2 number, since 2×1345769488² = 3622191029663564288, which contains 22 as substring.

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, 68698 + ... + 86086.

It is an arithmetic number, because the mean of its divisors is an integer number (74610056).

Almost surely, 2^1345769488 is an apocalyptic number.

It is an amenable number.

1345769488 is an abundant number, since it is smaller than the sum of its proper divisors (1638632752).

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

1345769488 is a wasteful number, since it uses less digits than its factorization.

1345769488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18095 (or 18089 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The square root of 1345769488 is about 36684.7309926078. The cubic root of 1345769488 is about 1104.0537719731.

The spelling of 1345769488 in words is "one billion, three hundred forty-five million, seven hundred sixty-nine thousand, four hundred eighty-eight".