1334280138 has 64 divisors (see below), whose sum is σ = 2810142720. Its totient is φ = 421948800.

The previous prime is 1334280131. The next prime is 1334280223. The reversal of 1334280138 is 8310824331.

It is a super-2 number, since 2×1334280138² = 3560606973322598088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1334280099 and 1334280108.

It is not an unprimeable number, because it can be changed into a prime (1334280131) 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, 1379331 + ... + 1380297.

It is an arithmetic number, because the mean of its divisors is an integer number (43908480).

Almost surely, 2^1334280138 is an apocalyptic number.

1334280138 is an abundant number, since it is smaller than the sum of its proper divisors (1475862582).

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

1334280138 is a wasteful number, since it uses less digits than its factorization.

1334280138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1334280138 is about 36527.7995231029. The cubic root of 1334280138 is about 1100.9028780004.

The spelling of 1334280138 in words is "one billion, three hundred thirty-four million, two hundred eighty thousand, one hundred thirty-eight".