134132440 has 32 divisors (see below), whose sum is σ = 325014480. Its totient is φ = 49525632.

The previous prime is 134132423. The next prime is 134132461. The reversal of 134132440 is 44231431.

It is a super-2 number, since 2×134132440² = 35983022920707200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128454 + ... + 129493.

Almost surely, 2^134132440 is an apocalyptic number.

134132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134132440 is an abundant number, since it is smaller than the sum of its proper divisors (190882040).

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

134132440 is a wasteful number, since it uses less digits than its factorization.

134132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257971 (or 257967 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 134132440 is about 11581.5560267177. The cubic root of 134132440 is about 511.8915277206.

Adding to 134132440 its reverse (44231431), we get a palindrome (178363871).

The spelling of 134132440 in words is "one hundred thirty-four million, one hundred thirty-two thousand, four hundred forty".