134625640 has 64 divisors (see below), whose sum is σ = 320443200. Its totient is φ = 50761728.

The previous prime is 134625619. The next prime is 134625643. The reversal of 134625640 is 46526431.

134625640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (134625643) 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, 233032 + ... + 233608.

It is an arithmetic number, because the mean of its divisors is an integer number (5006925).

Almost surely, 2^134625640 is an apocalyptic number.

134625640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134625640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160221600).

134625640 is an abundant number, since it is smaller than the sum of its proper divisors (185817560).

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

134625640 is a wasteful number, since it uses less digits than its factorization.

134625640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 134625640 is about 11602.8289653860. The cubic root of 134625640 is about 512.5181623546.

The spelling of 134625640 in words is "one hundred thirty-four million, six hundred twenty-five thousand, six hundred forty".