134308990 has 16 divisors (see below), whose sum is σ = 242633952. Its totient is φ = 53528544.

The previous prime is 134308963. The next prime is 134308997. The reversal of 134308990 is 99803431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134308997) 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 7 ways as a sum of consecutive naturals, for example, 21474 + ... + 27013.

It is an arithmetic number, because the mean of its divisors is an integer number (15164622).

Almost surely, 2^134308990 is an apocalyptic number.

134308990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134308990 is a deficient number, since it is larger than the sum of its proper divisors (108324962).

134308990 is a wasteful number, since it uses less digits than its factorization.

134308990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48771.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 134308990 is about 11589.1755530754. The cubic root of 134308990 is about 512.1160193420.

The spelling of 134308990 in words is "one hundred thirty-four million, three hundred eight thousand, nine hundred ninety".