134402739 has 4 divisors (see below), whose sum is σ = 179203656. Its totient is φ = 89601824.

The previous prime is 134402729. The next prime is 134402761. The reversal of 134402739 is 937204431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134402739 - 2⁵ = 134402707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134402729) 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 3 ways as a sum of consecutive naturals, for example, 22400454 + ... + 22400459.

It is an arithmetic number, because the mean of its divisors is an integer number (44800914).

Almost surely, 2^134402739 is an apocalyptic number.

134402739 is a deficient number, since it is larger than the sum of its proper divisors (44800917).

134402739 is an equidigital number, since it uses as much as digits as its factorization.

134402739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44800916.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 134402739 is about 11593.2195269476. The cubic root of 134402739 is about 512.2351456403.

The spelling of 134402739 in words is "one hundred thirty-four million, four hundred two thousand, seven hundred thirty-nine".