134540412 has 24 divisors (see below), whose sum is σ = 314160000. Its totient is φ = 44813616.

The previous prime is 134540411. The next prime is 134540423. The reversal of 134540412 is 214045431.

It is a super-2 number, since 2×134540412² = 36202244922259488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134540411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17089 + ... + 23687.

It is an arithmetic number, because the mean of its divisors is an integer number (13090000).

Almost surely, 2^134540412 is an apocalyptic number.

134540412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134540412 is an abundant number, since it is smaller than the sum of its proper divisors (179619588).

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

134540412 is a wasteful number, since it uses less digits than its factorization.

134540412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 134540412 is about 11599.1556589262. The cubic root of 134540412 is about 512.4099855394.

Adding to 134540412 its reverse (214045431), we get a palindrome (348585843).

The spelling of 134540412 in words is "one hundred thirty-four million, five hundred forty thousand, four hundred twelve".