134155980 has 96 divisors (see below), whose sum is σ = 477012480. Its totient is φ = 30663360.

The previous prime is 134155963. The next prime is 134155981. The reversal of 134155980 is 89551431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (134155981) 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, 13966 + ... + 21525.

It is an arithmetic number, because the mean of its divisors is an integer number (4968880).

Almost surely, 2^134155980 is an apocalyptic number.

134155980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134155980 is an abundant number, since it is smaller than the sum of its proper divisors (342856500).

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

134155980 is a wasteful number, since it uses less digits than its factorization.

134155980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35516 (or 35508 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 134155980 is about 11582.5722531742. The cubic root of 134155980 is about 511.9214713139.

The spelling of 134155980 in words is "one hundred thirty-four million, one hundred fifty-five thousand, nine hundred eighty".