134161920 has 200 divisors, whose sum is σ = 481268304. Its totient is φ = 35721216.

The previous prime is 134161919. The next prime is 134161957. The reversal of 134161920 is 29161431.

134161920 is a `hidden beast` number, since 1 + 3 + 41 + 619 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 207037 + ... + 207683.

Almost surely, 2^134161920 is an apocalyptic number.

134161920 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 134161920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240634152).

134161920 is an abundant number, since it is smaller than the sum of its proper divisors (347106384).

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

134161920 is an frugal number, since it uses more digits than its factorization.

134161920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 134161920 is about 11582.8286700616. The cubic root of 134161920 is about 511.9290266205.

The spelling of 134161920 in words is "one hundred thirty-four million, one hundred sixty-one thousand, nine hundred twenty".