134641980 has 192 divisors, whose sum is σ = 481420800. Its totient is φ = 30896640.

The previous prime is 134641979. The next prime is 134642009. The reversal of 134641980 is 89146431.

134641980 is a `hidden beast` number, since 1 + 3 + 4 + 641 + 9 + 8 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112264 + ... + 113456.

It is an arithmetic number, because the mean of its divisors is an integer number (2507400).

Almost surely, 2^134641980 is an apocalyptic number.

134641980 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 134641980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240710400).

134641980 is an abundant number, since it is smaller than the sum of its proper divisors (346778820).

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

134641980 is a wasteful number, since it uses less digits than its factorization.

134641980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 134641980 is about 11603.5330826434. The cubic root of 134641980 is about 512.5388969090.

The spelling of 134641980 in words is "one hundred thirty-four million, six hundred forty-one thousand, nine hundred eighty".