46135121 has 4 divisors (see below), whose sum is σ = 46401972. Its totient is φ = 45868272.

The previous prime is 46135091. The next prime is 46135147. The reversal of 46135121 is 12153164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36300625 + 9834496 = 6025^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 46135121 - 2⁶ = 46135057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46135151) 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, 133166 + ... + 133511.

It is an arithmetic number, because the mean of its divisors is an integer number (11600493).

Almost surely, 2^46135121 is an apocalyptic number.

It is an amenable number.

46135121 is a deficient number, since it is larger than the sum of its proper divisors (266851).

46135121 is a wasteful number, since it uses less digits than its factorization.

46135121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266850.

The product of its digits is 720, while the sum is 23.

The square root of 46135121 is about 6792.2839310500. The cubic root of 46135121 is about 358.6552738689.

Adding to 46135121 its reverse (12153164), we get a palindrome (58288285).

The spelling of 46135121 in words is "forty-six million, one hundred thirty-five thousand, one hundred twenty-one".