134397490 has 16 divisors (see below), whose sum is σ = 244266048. Its totient is φ = 53236656.

The previous prime is 134397481. The next prime is 134397491. The reversal of 134397490 is 94793431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (134397491) 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, 64212 + ... + 66271.

It is an arithmetic number, because the mean of its divisors is an integer number (15266628).

Almost surely, 2^134397490 is an apocalyptic number.

134397490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134397490 is a deficient number, since it is larger than the sum of its proper divisors (109868558).

134397490 is a wasteful number, since it uses less digits than its factorization.

134397490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130593.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 134397490 is about 11592.9931424115. The cubic root of 134397490 is about 512.2284772314.

The spelling of 134397490 in words is "one hundred thirty-four million, three hundred ninety-seven thousand, four hundred ninety".