1374394507 has 6 divisors (see below), whose sum is σ = 1450538628. Its totient is φ = 1302057612.

The previous prime is 1374394493. The next prime is 1374394519. The reversal of 1374394507 is 7054934731.

It is not a de Polignac number, because 1374394507 - 2⁷ = 1374394379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1374394607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1903233 + ... + 1903954.

It is an arithmetic number, because the mean of its divisors is an integer number (241756438).

Almost surely, 2^1374394507 is an apocalyptic number.

1374394507 is a deficient number, since it is larger than the sum of its proper divisors (76144121).

1374394507 is an equidigital number, since it uses as much as digits as its factorization.

1374394507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807225 (or 3807206 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 1374394507 is about 37072.8270705108. The cubic root of 1374394507 is about 1111.8267965467.

The spelling of 1374394507 in words is "one billion, three hundred seventy-four million, three hundred ninety-four thousand, five hundred seven".