75134136 has 128 divisors (see below), whose sum is σ = 236966400. Its totient is φ = 19284480.

The previous prime is 75134093. The next prime is 75134141. The reversal of 75134136 is 63143157.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201246 + ... + 201618.

It is an arithmetic number, because the mean of its divisors is an integer number (1851300).

Almost surely, 2^75134136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75134136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118483200).

75134136 is an abundant number, since it is smaller than the sum of its proper divisors (161832264).

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

75134136 is a wasteful number, since it uses less digits than its factorization.

75134136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 505 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 75134136 is about 8667.9949238564. The cubic root of 75134136 is about 421.9675933277.

The spelling of 75134136 in words is "seventy-five million, one hundred thirty-four thousand, one hundred thirty-six".