134105412 has 24 divisors (see below), whose sum is σ = 357614656. Its totient is φ = 38315808.

The previous prime is 134105399. The next prime is 134105431. The reversal of 134105412 is 214501431.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 798163 + ... + 798330.

Almost surely, 2^134105412 is an apocalyptic number.

134105412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134105412 is an abundant number, since it is smaller than the sum of its proper divisors (223509244).

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

134105412 is a wasteful number, since it uses less digits than its factorization.

134105412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596507 (or 1596505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 134105412 is about 11580.3891126335. The cubic root of 134105412 is about 511.8571429647.

Adding to 134105412 its reverse (214501431), we get a palindrome (348606843).

The spelling of 134105412 in words is "one hundred thirty-four million, one hundred five thousand, four hundred twelve".