134670439 has 4 divisors (see below), whose sum is σ = 136183680. Its totient is φ = 133157200.

The previous prime is 134670427. The next prime is 134670443. The reversal of 134670439 is 934076431.

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 134670439 - 2¹³ = 134662247 is a prime.

It is a super-2 number, since 2×134670439² = 36272254280905442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134670398 and 134670407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134674439) 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, 756487 + ... + 756664.

It is an arithmetic number, because the mean of its divisors is an integer number (34045920).

Almost surely, 2^134670439 is an apocalyptic number.

134670439 is a deficient number, since it is larger than the sum of its proper divisors (1513241).

134670439 is an equidigital number, since it uses as much as digits as its factorization.

134670439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513240.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 134670439 is about 11604.7593253803. The cubic root of 134670439 is about 512.5750057979.

The spelling of 134670439 in words is "one hundred thirty-four million, six hundred seventy thousand, four hundred thirty-nine".