134981398 has 8 divisors (see below), whose sum is σ = 202554000. Its totient is φ = 67463400.

The previous prime is 134981393. The next prime is 134981423. The reversal of 134981398 is 893189431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134981393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6778 + ... + 17773.

It is an arithmetic number, because the mean of its divisors is an integer number (25319250).

Almost surely, 2^134981398 is an apocalyptic number.

134981398 is a deficient number, since it is larger than the sum of its proper divisors (67572602).

134981398 is a wasteful number, since it uses less digits than its factorization.

134981398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27302.

The product of its digits is 186624, while the sum is 46.

The square root of 134981398 is about 11618.1495084200. The cubic root of 134981398 is about 512.9692207188.

The spelling of 134981398 in words is "one hundred thirty-four million, nine hundred eighty-one thousand, three hundred ninety-eight".