134873407 has 2 divisors, whose sum is σ = 134873408. Its totient is φ = 134873406.

The previous prime is 134873383. The next prime is 134873411. The reversal of 134873407 is 704378431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134873407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134873437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67436703 + 67436704.

It is an arithmetic number, because the mean of its divisors is an integer number (67436704).

Almost surely, 2^134873407 is an apocalyptic number.

134873407 is a deficient number, since it is larger than the sum of its proper divisors (1).

134873407 is an equidigital number, since it uses as much as digits as its factorization.

134873407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 134873407 is about 11613.5010655702. The cubic root of 134873407 is about 512.8323849780.

The spelling of 134873407 in words is "one hundred thirty-four million, eight hundred seventy-three thousand, four hundred seven".