1345319946 has 12 divisors (see below), whose sum is σ = 2914859922. Its totient is φ = 448439976.

The previous prime is 1345319923. The next prime is 1345319971. The reversal of 1345319946 is 6499135431.

1345319946 is a `hidden beast` number, since 1 + 3 + 453 + 199 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 985269321 + 360050625 = 31389^2 + 18975^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37369981 + ... + 37370016.

Almost surely, 2^1345319946 is an apocalyptic number.

1345319946 is an abundant number, since it is smaller than the sum of its proper divisors (1569539976).

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

1345319946 is a wasteful number, since it uses less digits than its factorization.

1345319946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74740005 (or 74740002 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 1345319946 is about 36678.6033812630. The cubic root of 1345319946 is about 1103.9308252577.

The spelling of 1345319946 in words is "one billion, three hundred forty-five million, three hundred nineteen thousand, nine hundred forty-six".