36461131 has 8 divisors (see below), whose sum is σ = 41844704. Its totient is φ = 31121280.

The previous prime is 36461129. The next prime is 36461137. The reversal of 36461131 is 13116463.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 36461131 - 2¹ = 36461129 is a prime.

It is a super-2 number, since 2×36461131² = 2658828147598322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36461096 and 36461105.

It is not an unprimeable number, because it can be changed into a prime (36461137) 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, 9120 + ... + 12493.

It is an arithmetic number, because the mean of its divisors is an integer number (5230588).

Almost surely, 2^36461131 is an apocalyptic number.

36461131 is a deficient number, since it is larger than the sum of its proper divisors (5383573).

36461131 is a wasteful number, since it uses less digits than its factorization.

36461131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21861.

The product of its digits is 1296, while the sum is 25.

The square root of 36461131 is about 6038.3053086110. The cubic root of 36461131 is about 331.5965820226.

Adding to 36461131 its reverse (13116463), we get a palindrome (49577594).

The spelling of 36461131 in words is "thirty-six million, four hundred sixty-one thousand, one hundred thirty-one".