134009902 has 12 divisors (see below), whose sum is σ = 217667520. Its totient is φ = 61850568.

The previous prime is 134009867. The next prime is 134009921. The reversal of 134009902 is 209900431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197902 + ... + 198577.

It is an arithmetic number, because the mean of its divisors is an integer number (18138960).

Almost surely, 2^134009902 is an apocalyptic number.

134009902 is a deficient number, since it is larger than the sum of its proper divisors (83657618).

134009902 is a wasteful number, since it uses less digits than its factorization.

134009902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396507 (or 396494 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 134009902 is about 11576.2645961467. The cubic root of 134009902 is about 511.7355990601.

The spelling of 134009902 in words is "one hundred thirty-four million, nine thousand, nine hundred two".