134505240 has 64 divisors (see below), whose sum is σ = 409224960. Its totient is φ = 35360640.

The previous prime is 134505227. The next prime is 134505253. The reversal of 134505240 is 42505431.

It is an interprime number because it is at equal distance from previous prime (134505227) and next prime (134505253).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 134505240.

It is a congruent number.

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, 627 + ... + 16413.

It is an arithmetic number, because the mean of its divisors is an integer number (6394140).

Almost surely, 2^134505240 is an apocalyptic number.

134505240 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 134505240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204612480).

134505240 is an abundant number, since it is smaller than the sum of its proper divisors (274719720).

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

134505240 is a wasteful number, since it uses less digits than its factorization.

134505240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872 (or 15868 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 134505240 is about 11597.6394149844. The cubic root of 134505240 is about 512.3653296761.

The spelling of 134505240 in words is "one hundred thirty-four million, five hundred five thousand, two hundred forty".