134380138690 has 64 divisors (see below), whose sum is σ = 282177561600. Its totient is φ = 46057381440.

The previous prime is 134380138687. The next prime is 134380138691. The reversal of 134380138690 is 96831083431.

It is a super-2 number, since 2×134380138690² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134380138690.

It is not an unprimeable number, because it can be changed into a prime (134380138691) 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, 14644944 + ... + 14654116.

It is an arithmetic number, because the mean of its divisors is an integer number (4409024400).

Almost surely, 2^134380138690 is an apocalyptic number.

134380138690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134380138690 is an abundant number, since it is smaller than the sum of its proper divisors (147797422910).

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

134380138690 is an equidigital number, since it uses as much as digits as its factorization.

134380138690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13472 (or 13458 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 134380138690 in words is "one hundred thirty-four billion, three hundred eighty million, one hundred thirty-eight thousand, six hundred ninety".