134439022690 has 32 divisors (see below), whose sum is σ = 279245341440. Its totient is φ = 45645868224.

The previous prime is 134439022637. The next prime is 134439022709. The reversal of 134439022690 is 96220934431.

It is a super-2 number, since 2×134439022690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9315885 + ... + 9330304.

It is an arithmetic number, because the mean of its divisors is an integer number (8726416920).

Almost surely, 2^134439022690 is an apocalyptic number.

134439022690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134439022690 is an abundant number, since it is smaller than the sum of its proper divisors (144806318750).

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

134439022690 is a wasteful number, since it uses less digits than its factorization.

134439022690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18646306.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 134439022690 in words is "one hundred thirty-four billion, four hundred thirty-nine million, twenty-two thousand, six hundred ninety".