134551240 has 64 divisors (see below), whose sum is σ = 313066800. Its totient is φ = 52005888.

The previous prime is 134551231. The next prime is 134551267. The reversal of 134551240 is 42155431.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 124144164 + 10407076 = 11142^2 + 3226^2 .

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, 338722 + ... + 339118.

Almost surely, 2^134551240 is an apocalyptic number.

134551240 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 134551240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156533400).

134551240 is an abundant number, since it is smaller than the sum of its proper divisors (178515560).

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

134551240 is a wasteful number, since it uses less digits than its factorization.

134551240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 134551240 is about 11599.6224076476. The cubic root of 134551240 is about 512.4237316607.

The spelling of 134551240 in words is "one hundred thirty-four million, five hundred fifty-one thousand, two hundred forty".