134895281986 has 4 divisors (see below), whose sum is σ = 202342922982. Its totient is φ = 67447640992.

The previous prime is 134895281953. The next prime is 134895282017. The reversal of 134895281986 is 689182598431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689182598431 = 71 ⋅9706797161.

It can be written as a sum of positive squares in only one way, i.e., 133202370961 + 1692911025 = 364969^2 + 41145^2 .

It is a super-2 number, since 2×134895281986² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33723820495 + ... + 33723820498.

Almost surely, 2^134895281986 is an apocalyptic number.

134895281986 is a deficient number, since it is larger than the sum of its proper divisors (67447640996).

134895281986 is an equidigital number, since it uses as much as digits as its factorization.

134895281986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67447640995.

The product of its digits is 29859840, while the sum is 64.

The spelling of 134895281986 in words is "one hundred thirty-four billion, eight hundred ninety-five million, two hundred eighty-one thousand, nine hundred eighty-six".