134111861 has 36 divisors (see below), whose sum is σ = 165428676. Its totient is φ = 107688960.

The previous prime is 134111851. The next prime is 134111869. The reversal of 134111861 is 168111431.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 44222500 + 89889361 = 6650^2 + 9481^2 .

It is not a de Polignac number, because 134111861 - 2¹⁴ = 134095477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134111861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134111869) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3271001 + ... + 3271041.

It is an arithmetic number, because the mean of its divisors is an integer number (4595241).

Almost surely, 2^134111861 is an apocalyptic number.

It is an amenable number.

134111861 is a deficient number, since it is larger than the sum of its proper divisors (31316815).

134111861 is a wasteful number, since it uses less digits than its factorization.

134111861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 90 counting only the distinct ones).

The product of its digits is 576, while the sum is 26.

The square root of 134111861 is about 11580.6675541611. The cubic root of 134111861 is about 511.8653477387.

The spelling of 134111861 in words is "one hundred thirty-four million, one hundred eleven thousand, eight hundred sixty-one".