134212899 has 16 divisors (see below), whose sum is σ = 186832800. Its totient is φ = 85591296.

The previous prime is 134212861. The next prime is 134212913. The reversal of 134212899 is 998212431.

It is not a de Polignac number, because 134212899 - 2⁸ = 134212643 is a prime.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (134212829) 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, 2407 + ... + 16559.

It is an arithmetic number, because the mean of its divisors is an integer number (11677050).

Almost surely, 2^134212899 is an apocalyptic number.

134212899 is a deficient number, since it is larger than the sum of its proper divisors (52619901).

134212899 is a wasteful number, since it uses less digits than its factorization.

134212899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14294.

The product of its digits is 31104, while the sum is 39.

The square root of 134212899 is about 11585.0290893031. The cubic root of 134212899 is about 511.9938595353.

It can be divided in two parts, 1342 and 12899, that added together give a palindrome (14241).

The spelling of 134212899 in words is "one hundred thirty-four million, two hundred twelve thousand, eight hundred ninety-nine".