134951992 has 64 divisors (see below), whose sum is σ = 302097600. Its totient is φ = 55311360.

The previous prime is 134951983. The next prime is 134952031. The reversal of 134951992 is 299159431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121134 + ... + 122242.

It is an arithmetic number, because the mean of its divisors is an integer number (4720275).

Almost surely, 2^134951992 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 134951992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151048800).

134951992 is an abundant number, since it is smaller than the sum of its proper divisors (167145608).

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

134951992 is a wasteful number, since it uses less digits than its factorization.

134951992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1212 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 134951992 is about 11616.8839195371. The cubic root of 134951992 is about 512.9319675154.

The spelling of 134951992 in words is "one hundred thirty-four million, nine hundred fifty-one thousand, nine hundred ninety-two".