1345634901 has 24 divisors (see below), whose sum is σ = 2124464160. Its totient is φ = 815718816.

The previous prime is 1345634893. The next prime is 1345634921. The reversal of 1345634901 is 1094365431.

1345634901 is a `hidden beast` number, since 1 + 3 + 4 + 563 + 4 + 90 + 1 = 666.

It is not a de Polignac number, because 1345634901 - 2³ = 1345634893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345634921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77991 + ... + 93668.

It is an arithmetic number, because the mean of its divisors is an integer number (88519340).

Almost surely, 2^1345634901 is an apocalyptic number.

It is an amenable number.

1345634901 is a deficient number, since it is larger than the sum of its proper divisors (778829259).

1345634901 is a wasteful number, since it uses less digits than its factorization.

1345634901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171745 (or 171742 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1345634901 is about 36682.8965731988. The cubic root of 1345634901 is about 1104.0169662051.

The spelling of 1345634901 in words is "one billion, three hundred forty-five million, six hundred thirty-four thousand, nine hundred one".