83654131 has 16 divisors (see below), whose sum is σ = 97395840. Its totient is φ = 71046720.

The previous prime is 83654107. The next prime is 83654143. The reversal of 83654131 is 13145638.

It is a cyclic number.

It is not a de Polignac number, because 83654131 - 2⁵ = 83654099 is a prime.

It is a super-2 number, since 2×83654131² = 13996027266730322, 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 = 83654093 and 83654102.

It is not an unprimeable number, because it can be changed into a prime (83654101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12516 + ... + 17998.

It is an arithmetic number, because the mean of its divisors is an integer number (6087240).

Almost surely, 2^83654131 is an apocalyptic number.

83654131 is a deficient number, since it is larger than the sum of its proper divisors (13741709).

83654131 is a wasteful number, since it uses less digits than its factorization.

83654131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586.

The product of its digits is 8640, while the sum is 31.

The square root of 83654131 is about 9146.2632260394. The cubic root of 83654131 is about 437.3499998425.

Adding to 83654131 its reverse (13145638), we get a palindrome (96799769).

The spelling of 83654131 in words is "eighty-three million, six hundred fifty-four thousand, one hundred thirty-one".