134212540 has 48 divisors (see below), whose sum is σ = 351396864. Its totient is φ = 41832000.

The previous prime is 134212517. The next prime is 134212543. The reversal of 134212540 is 45212431.

134212540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134212543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42036 + ... + 45115.

It is an arithmetic number, because the mean of its divisors is an integer number (7320768).

Almost surely, 2^134212540 is an apocalyptic number.

134212540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134212540 is an abundant number, since it is smaller than the sum of its proper divisors (217184324).

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

134212540 is a wasteful number, since it uses less digits than its factorization.

134212540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87178 (or 87176 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 134212540 is about 11585.0135951582. The cubic root of 134212540 is about 511.9934030319.

Adding to 134212540 its reverse (45212431), we get a palindrome (179424971).

The spelling of 134212540 in words is "one hundred thirty-four million, two hundred twelve thousand, five hundred forty".