134251980 has 48 divisors (see below), whose sum is σ = 378453600. Its totient is φ = 35557888.

The previous prime is 134251973. The next prime is 134252017. The reversal of 134251980 is 89152431.

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, 1432 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (7884450).

Almost surely, 2^134251980 is an apocalyptic number.

134251980 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 134251980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189226800).

134251980 is an abundant number, since it is smaller than the sum of its proper divisors (244201620).

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

134251980 is a wasteful number, since it uses less digits than its factorization.

134251980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15178 (or 15176 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 134251980 is about 11586.7156692481. The cubic root of 134251980 is about 512.0435499658.

The spelling of 134251980 in words is "one hundred thirty-four million, two hundred fifty-one thousand, nine hundred eighty".