1337909772 has 18 divisors (see below), whose sum is σ = 3122085148. Its totient is φ = 445927688.

The previous prime is 1337909753. The next prime is 1337909777. The reversal of 1337909772 is 2779097331.

It is not an unprimeable number, because it can be changed into a prime (1337909777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121429 + ... + 131987.

Almost surely, 2^1337909772 is an apocalyptic number.

1337909772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1337909772 is an abundant number, since it is smaller than the sum of its proper divisors (1784175376).

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

1337909772 is an frugal number, since it uses more digits than its factorization.

1337909772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21125 (or 10564 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 48.

The square root of 1337909772 is about 36577.4489542396. The cubic root of 1337909772 is about 1101.9002339407.

Multiplying 1337909772 by its sum of digits (48), we get a square (64219669056 = 253416²).

The spelling of 1337909772 in words is "one billion, three hundred thirty-seven million, nine hundred nine thousand, seven hundred seventy-two".