134567790 has 64 divisors (see below), whose sum is σ = 375390720. Its totient is φ = 30234240.

The previous prime is 134567773. The next prime is 134567813. The reversal of 134567790 is 97765431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6960 + ... + 17820.

It is an arithmetic number, because the mean of its divisors is an integer number (5865480).

Almost surely, 2^134567790 is an apocalyptic number.

134567790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134567790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187695360).

134567790 is an abundant number, since it is smaller than the sum of its proper divisors (240822930).

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

134567790 is a wasteful number, since it uses less digits than its factorization.

134567790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 134567790 is about 11600.3357710025. The cubic root of 134567790 is about 512.4447404231. Note that the first 3 decimals are identical.

The spelling of 134567790 in words is "one hundred thirty-four million, five hundred sixty-seven thousand, seven hundred ninety".