83136460 has 48 divisors (see below), whose sum is σ = 201670560. Its totient is φ = 28451840.

The previous prime is 83136439. The next prime is 83136463. The reversal of 83136460 is 6463138.

It is not an unprimeable number, because it can be changed into a prime (83136463) 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, 7375 + ... + 14854.

It is an arithmetic number, because the mean of its divisors is an integer number (4201470).

Almost surely, 2^83136460 is an apocalyptic number.

It is an amenable number.

83136460 is an abundant number, since it is smaller than the sum of its proper divisors (118534100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83136460 is a wasteful number, since it uses less digits than its factorization.

83136460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22266 (or 22264 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 83136460 is about 9117.9197188832. The cubic root of 83136460 is about 436.4459917424.

Adding to 83136460 its reverse (6463138), we get a palindrome (89599598).

The spelling of 83136460 in words is "eighty-three million, one hundred thirty-six thousand, four hundred sixty".