134991292 has 24 divisors (see below), whose sum is σ = 244203120. Its totient is φ = 65256960.

The previous prime is 134991289. The next prime is 134991293. The reversal of 134991292 is 292199431.

134991292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134991293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9708 + ... + 19084.

It is an arithmetic number, because the mean of its divisors is an integer number (10175130).

Almost surely, 2^134991292 is an apocalyptic number.

It is an amenable number.

134991292 is a deficient number, since it is larger than the sum of its proper divisors (109211828).

134991292 is a wasteful number, since it uses less digits than its factorization.

134991292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501 (or 9499 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 134991292 is about 11618.5752999238. The cubic root of 134991292 is about 512.9817537877.

The spelling of 134991292 in words is "one hundred thirty-four million, nine hundred ninety-one thousand, two hundred ninety-two".