134036881 has 4 divisors (see below), whose sum is σ = 146222064. Its totient is φ = 121851700.

The previous prime is 134036879. The next prime is 134036897. The reversal of 134036881 is 188630431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 188630431 = 11 ⋅17148221.

It is a cyclic number.

It is not a de Polignac number, because 134036881 - 2¹ = 134036879 is a prime.

It is a super-2 number, since 2×134036881² = 35931770936416322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134036821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6092575 + ... + 6092596.

It is an arithmetic number, because the mean of its divisors is an integer number (36555516).

Almost surely, 2^134036881 is an apocalyptic number.

134036881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134036881 is a deficient number, since it is larger than the sum of its proper divisors (12185183).

134036881 is a wasteful number, since it uses less digits than its factorization.

134036881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185182.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 134036881 is about 11577.4298097635. The cubic root of 134036881 is about 511.7699377871.

The spelling of 134036881 in words is "one hundred thirty-four million, thirty-six thousand, eight hundred eighty-one".