83137605 has 8 divisors (see below), whose sum is σ = 133020192. Its totient is φ = 44340048.

The previous prime is 83137591. The next prime is 83137657. The reversal of 83137605 is 50673138.

It is a happy number.

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

It is not a de Polignac number, because 83137605 - 2⁴ = 83137589 is a prime.

It is a super-2 number, since 2×83137605² = 13823722730272050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2771239 + ... + 2771268.

It is an arithmetic number, because the mean of its divisors is an integer number (16627524).

Almost surely, 2^83137605 is an apocalyptic number.

It is an amenable number.

83137605 is a deficient number, since it is larger than the sum of its proper divisors (49882587).

83137605 is a wasteful number, since it uses less digits than its factorization.

83137605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542515.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 83137605 is about 9117.9825071120. The cubic root of 83137605 is about 436.4479953895.

The spelling of 83137605 in words is "eighty-three million, one hundred thirty-seven thousand, six hundred five".