134890071 has 8 divisors (see below), whose sum is σ = 179991024. Its totient is φ = 89857920.

The previous prime is 134890061. The next prime is 134890079. The reversal of 134890071 is 170098431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134890071 - 2⁵ = 134890039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134890079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12436 + ... + 20601.

It is an arithmetic number, because the mean of its divisors is an integer number (22498878).

Almost surely, 2^134890071 is an apocalyptic number.

134890071 is a deficient number, since it is larger than the sum of its proper divisors (45100953).

134890071 is a wasteful number, since it uses less digits than its factorization.

134890071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34401.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 134890071 is about 11614.2184842545. The cubic root of 134890071 is about 512.8535047503.

It can be divided in two parts, 1348 and 90071, that added together give a palindrome (91419).

The spelling of 134890071 in words is "one hundred thirty-four million, eight hundred ninety thousand, seventy-one".