134312540 has 12 divisors (see below), whose sum is σ = 282056376. Its totient is φ = 53725008.

The previous prime is 134312483. The next prime is 134312551. The reversal of 134312540 is 45213431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3357794 + ... + 3357833.

It is an arithmetic number, because the mean of its divisors is an integer number (23504698).

Almost surely, 2^134312540 is an apocalyptic number.

134312540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134312540 is an abundant number, since it is smaller than the sum of its proper divisors (147743836).

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

134312540 is a wasteful number, since it uses less digits than its factorization.

134312540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715636 (or 6715634 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 134312540 is about 11589.3287122249. The cubic root of 134312540 is about 512.1205313156.

Adding to 134312540 its reverse (45213431), we get a palindrome (179525971).

The spelling of 134312540 in words is "one hundred thirty-four million, three hundred twelve thousand, five hundred forty".