138514340 has 12 divisors (see below), whose sum is σ = 290880156. Its totient is φ = 55405728.

The previous prime is 138514307. The next prime is 138514357. The reversal of 138514340 is 43415831.

It can be written as a sum of positive squares in 2 ways, for example, as 64416676 + 74097664 = 8026^2 + 8608^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3462839 + ... + 3462878.

It is an arithmetic number, because the mean of its divisors is an integer number (24240013).

Almost surely, 2^138514340 is an apocalyptic number.

138514340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138514340 is an abundant number, since it is smaller than the sum of its proper divisors (152365816).

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

138514340 is a wasteful number, since it uses less digits than its factorization.

138514340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925726 (or 6925724 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 138514340 is about 11769.2115283905. The cubic root of 138514340 is about 517.4061410368.

The spelling of 138514340 in words is "one hundred thirty-eight million, five hundred fourteen thousand, three hundred forty".