134628438 has 32 divisors (see below), whose sum is σ = 310083840. Its totient is φ = 38170080.

The previous prime is 134628437. The next prime is 134628449. The reversal of 134628438 is 834826431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 134628396 and 134628405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134628437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6733 + ... + 17736.

It is an arithmetic number, because the mean of its divisors is an integer number (9690120).

Almost surely, 2^134628438 is an apocalyptic number.

134628438 is an abundant number, since it is smaller than the sum of its proper divisors (175455402).

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

134628438 is a wasteful number, since it uses less digits than its factorization.

134628438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24612.

The product of its digits is 110592, while the sum is 39.

The square root of 134628438 is about 11602.9495388026. The cubic root of 134628438 is about 512.5217129805.

The spelling of 134628438 in words is "one hundred thirty-four million, six hundred twenty-eight thousand, four hundred thirty-eight".