134303990 has 8 divisors (see below), whose sum is σ = 241747200. Its totient is φ = 53721592.

The previous prime is 134303971. The next prime is 134303993. The reversal of 134303990 is 99303431.

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 (134303993) 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, 6715190 + ... + 6715209.

It is an arithmetic number, because the mean of its divisors is an integer number (30218400).

Almost surely, 2^134303990 is an apocalyptic number.

134303990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134303990 is a deficient number, since it is larger than the sum of its proper divisors (107443210).

134303990 is a wasteful number, since it uses less digits than its factorization.

134303990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13430406.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 134303990 is about 11588.9598325303. The cubic root of 134303990 is about 512.1096643147.

The spelling of 134303990 in words is "one hundred thirty-four million, three hundred three thousand, nine hundred ninety".