134039887 has 2 divisors, whose sum is σ = 134039888. Its totient is φ = 134039886.

The previous prime is 134039861. The next prime is 134039909. The reversal of 134039887 is 788930431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134039887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134019887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67019943 + 67019944.

It is an arithmetic number, because the mean of its divisors is an integer number (67019944).

Almost surely, 2^134039887 is an apocalyptic number.

134039887 is a deficient number, since it is larger than the sum of its proper divisors (1).

134039887 is an equidigital number, since it uses as much as digits as its factorization.

134039887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 134039887 is about 11577.5596305957. The cubic root of 134039887 is about 511.7737635226.

The spelling of 134039887 in words is "one hundred thirty-four million, thirty-nine thousand, eight hundred eighty-seven".