134989902 has 24 divisors (see below), whose sum is σ = 303311736. Its totient is φ = 44996472.

The previous prime is 134989901. The next prime is 134989909. The reversal of 134989902 is 209989431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134989901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138393 + ... + 139364.

It is an arithmetic number, because the mean of its divisors is an integer number (12637989).

Almost surely, 2^134989902 is an apocalyptic number.

134989902 is an abundant number, since it is smaller than the sum of its proper divisors (168321834).

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

134989902 is an equidigital number, since it uses as much as digits as its factorization.

134989902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277774 (or 277762 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 134989902 is about 11618.5154817644. The cubic root of 134989902 is about 512.9799930640.

The spelling of 134989902 in words is "one hundred thirty-four million, nine hundred eighty-nine thousand, nine hundred two".