1337374840 has 16 divisors (see below), whose sum is σ = 3009093480. Its totient is φ = 534949920.

The previous prime is 1337374799. The next prime is 1337374847. The reversal of 1337374840 is 484737331.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 33434371 = 1337374840 / (1 + 3 + 3 + 7 + 3 + 7 + 4 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1337374793 and 1337374802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1337374847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16717146 + ... + 16717225.

Almost surely, 2^1337374840 is an apocalyptic number.

1337374840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1337374840 is an abundant number, since it is smaller than the sum of its proper divisors (1671718640).

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

1337374840 is a wasteful number, since it uses less digits than its factorization.

1337374840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33434382 (or 33434378 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 1337374840 is about 36570.1359034937. The cubic root of 1337374840 is about 1101.7533579993.

The spelling of 1337374840 in words is "one billion, three hundred thirty-seven million, three hundred seventy-four thousand, eight hundred forty".