1374813438 has 64 divisors (see below), whose sum is σ = 2947104000. Its totient is φ = 426311424.

The previous prime is 1374813437. The next prime is 1374813463. The reversal of 1374813438 is 8343184731.

It is a super-2 number, since 2×1374813438² = 3780223978610759688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1374813438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374813437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1815756 + ... + 1816512.

It is an arithmetic number, because the mean of its divisors is an integer number (46048500).

Almost surely, 2^1374813438 is an apocalyptic number.

1374813438 is an abundant number, since it is smaller than the sum of its proper divisors (1572290562).

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

1374813438 is a wasteful number, since it uses less digits than its factorization.

1374813438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its digits is 193536, while the sum is 42.

The square root of 1374813438 is about 37078.4767486476. The cubic root of 1374813438 is about 1111.9397508677.

The spelling of 1374813438 in words is "one billion, three hundred seventy-four million, eight hundred thirteen thousand, four hundred thirty-eight".