134507730 has 64 divisors (see below), whose sum is σ = 370679040. Its totient is φ = 30599424.

The previous prime is 134507719. The next prime is 134507731. The reversal of 134507730 is 37705431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (134507731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46692 + ... + 49488.

It is an arithmetic number, because the mean of its divisors is an integer number (5791860).

Almost surely, 2^134507730 is an apocalyptic number.

134507730 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 134507730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185339520).

134507730 is an abundant number, since it is smaller than the sum of its proper divisors (236171310).

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

134507730 is a wasteful number, since it uses less digits than its factorization.

134507730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 134507730 is about 11597.7467639193. The cubic root of 134507730 is about 512.3684913417.

The spelling of 134507730 in words is "one hundred thirty-four million, five hundred seven thousand, seven hundred thirty".