1337989305 has 16 divisors (see below), whose sum is σ = 2142207360. Its totient is φ = 713119488.

The previous prime is 1337989297. The next prime is 1337989309. The reversal of 1337989305 is 5039897331.

It is not a de Polignac number, because 1337989305 - 2³ = 1337989297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1337989309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5760 + ... + 52049.

It is an arithmetic number, because the mean of its divisors is an integer number (133887960).

Almost surely, 2^1337989305 is an apocalyptic number.

1337989305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1337989305 is a deficient number, since it is larger than the sum of its proper divisors (804218055).

1337989305 is a wasteful number, since it uses less digits than its factorization.

1337989305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59360.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 1337989305 is about 36578.5361243448. The cubic root of 1337989305 is about 1101.9220679230.

The spelling of 1337989305 in words is "one billion, three hundred thirty-seven million, nine hundred eighty-nine thousand, three hundred five".