134986071 has 32 divisors (see below), whose sum is σ = 202113792. Its totient is φ = 79439360.

The previous prime is 134986067. The next prime is 134986079. The reversal of 134986071 is 170689431.

134986071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 134986071 - 2² = 134986067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134986079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197296 + ... + 197978.

It is an arithmetic number, because the mean of its divisors is an integer number (6316056).

Almost surely, 2^134986071 is an apocalyptic number.

134986071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134986071 is a deficient number, since it is larger than the sum of its proper divisors (67127721).

134986071 is a wasteful number, since it uses less digits than its factorization.

134986071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 134986071 is about 11618.3506144375. The cubic root of 134986071 is about 512.9751402444.

The spelling of 134986071 in words is "one hundred thirty-four million, nine hundred eighty-six thousand, seventy-one".