1374557565 has 32 divisors (see below), whose sum is σ = 2368903680. Its totient is φ = 678355776.

The previous prime is 1374557539. The next prime is 1374557623. The reversal of 1374557565 is 5657554731.

It is not a de Polignac number, because 1374557565 - 2⁶ = 1374557501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43827 + ... + 68336.

It is an arithmetic number, because the mean of its divisors is an integer number (74028240).

Almost surely, 2^1374557565 is an apocalyptic number.

1374557565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1374557565 is a deficient number, since it is larger than the sum of its proper divisors (994346115).

1374557565 is a wasteful number, since it uses less digits than its factorization.

1374557565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112233.

The product of its digits is 2205000, while the sum is 48.

The square root of 1374557565 is about 37075.0261631735. The cubic root of 1374557565 is about 1111.8707638074.

The spelling of 1374557565 in words is "one billion, three hundred seventy-four million, five hundred fifty-seven thousand, five hundred sixty-five".