134637479 has 2 divisors, whose sum is σ = 134637480. Its totient is φ = 134637478.

The previous prime is 134637463. The next prime is 134637491. The reversal of 134637479 is 974736431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134637479 - 2⁴ = 134637463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134637449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67318739 + 67318740.

It is an arithmetic number, because the mean of its divisors is an integer number (67318740).

Almost surely, 2^134637479 is an apocalyptic number.

134637479 is a deficient number, since it is larger than the sum of its proper divisors (1).

134637479 is an equidigital number, since it uses as much as digits as its factorization.

134637479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 134637479 is about 11603.3391314742. The cubic root of 134637479 is about 512.5331855568.

The spelling of 134637479 in words is "one hundred thirty-four million, six hundred thirty-seven thousand, four hundred seventy-nine".