134391560 has 64 divisors (see below), whose sum is σ = 321753600. Its totient is φ = 50374656.

The previous prime is 134391559. The next prime is 134391577. The reversal of 134391560 is 65193431.

It is a super-2 number, since 2×134391560² = 36122182798467200, which contains 22 as substring.

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, 72809 + ... + 74631.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^134391560 is an apocalyptic number.

134391560 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 134391560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160876800).

134391560 is an abundant number, since it is smaller than the sum of its proper divisors (187362040).

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

134391560 is a wasteful number, since it uses less digits than its factorization.

134391560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 134391560 is about 11592.7373816541. The cubic root of 134391560 is about 512.2209434609.

The spelling of 134391560 in words is "one hundred thirty-four million, three hundred ninety-one thousand, five hundred sixty".