134487980 has 48 divisors (see below), whose sum is σ = 308962080. Its totient is φ = 48768000.

The previous prime is 134487953. The next prime is 134488001. The reversal of 134487980 is 89784431.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111380 + ... + 112580.

It is an arithmetic number, because the mean of its divisors is an integer number (6436710).

Almost surely, 2^134487980 is an apocalyptic number.

134487980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134487980 is an abundant number, since it is smaller than the sum of its proper divisors (174474100).

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

134487980 is a wasteful number, since it uses less digits than its factorization.

134487980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 134487980 is about 11596.8952741671. The cubic root of 134487980 is about 512.3434128004.

The spelling of 134487980 in words is "one hundred thirty-four million, four hundred eighty-seven thousand, nine hundred eighty".