134472140 has 72 divisors (see below), whose sum is σ = 313128816. Its totient is φ = 48470400.

The previous prime is 134472133. The next prime is 134472157. The reversal of 134472140 is 41274431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437867 + ... + 438173.

Almost surely, 2^134472140 is an apocalyptic number.

134472140 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 134472140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156564408).

134472140 is an abundant number, since it is smaller than the sum of its proper divisors (178656676).

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

134472140 is a wasteful number, since it uses less digits than its factorization.

134472140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 134472140 is about 11596.2123126476. The cubic root of 134472140 is about 512.3232974010.

It can be divided in two parts, 134 and 472140, that added together give a palindrome (472274).

The spelling of 134472140 in words is "one hundred thirty-four million, four hundred seventy-two thousand, one hundred forty".