129949362 has 24 divisors (see below), whose sum is σ = 282224124. Its totient is φ = 43213824.

The previous prime is 129949331. The next prime is 129949363. The reversal of 129949362 is 263949921.

It is a happy number.

129949362 is a `hidden beast` number, since 12 + 99 + 493 + 62 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 129754881 + 194481 = 11391^2 + 441^2 .

It is not an unprimeable number, because it can be changed into a prime (129949363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543 + ... + 16130.

Almost surely, 2^129949362 is an apocalyptic number.

129949362 is an abundant number, since it is smaller than the sum of its proper divisors (152274762).

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

129949362 is a wasteful number, since it uses less digits than its factorization.

129949362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17114 (or 17111 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 129949362 is about 11399.5334115042. The cubic root of 129949362 is about 506.5139185399.

The spelling of 129949362 in words is "one hundred twenty-nine million, nine hundred forty-nine thousand, three hundred sixty-two".