1337775138 has 48 divisors (see below), whose sum is σ = 3334571136. Its totient is φ = 379684800.

The previous prime is 1337775137. The next prime is 1337775139. The reversal of 1337775138 is 8315777331.

It is an interprime number because it is at equal distance from previous prime (1337775137) and next prime (1337775139).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1337775093 and 1337775102.

It is not an unprimeable number, because it can be changed into a prime (1337775137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16131 + ... + 54182.

It is an arithmetic number, because the mean of its divisors is an integer number (69470232).

Almost surely, 2^1337775138 is an apocalyptic number.

1337775138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1337775138 is an abundant number, since it is smaller than the sum of its proper divisors (1996795998).

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

1337775138 is a wasteful number, since it uses less digits than its factorization.

1337775138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70479 (or 70476 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 1337775138 is about 36575.6085116844. The cubic root of 1337775138 is about 1101.8632712556.

The spelling of 1337775138 in words is "one billion, three hundred thirty-seven million, seven hundred seventy-five thousand, one hundred thirty-eight".