134689213790 has 8 divisors (see below), whose sum is σ = 242440584840. Its totient is φ = 53875685512.

The previous prime is 134689213783. The next prime is 134689213807. The reversal of 134689213790 is 97312986431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×134689213790² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734460680 + ... + 6734460699.

It is an arithmetic number, because the mean of its divisors is an integer number (30305073105).

Almost surely, 2^134689213790 is an apocalyptic number.

134689213790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134689213790 is a deficient number, since it is larger than the sum of its proper divisors (107751371050).

134689213790 is a wasteful number, since it uses less digits than its factorization.

134689213790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13468921386.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 134689213790 in words is "one hundred thirty-four billion, six hundred eighty-nine million, two hundred thirteen thousand, seven hundred ninety".