83706136 has 24 divisors (see below), whose sum is σ = 161326620. Its totient is φ = 40716576.

The previous prime is 83706083. The next prime is 83706137. The reversal of 83706136 is 63160738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83706137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7131 + ... + 14773.

Almost surely, 2^83706136 is an apocalyptic number.

It is an amenable number.

83706136 is a deficient number, since it is larger than the sum of its proper divisors (77620484).

83706136 is a wasteful number, since it uses less digits than its factorization.

83706136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723 (or 7682 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 83706136 is about 9149.1057486511. The cubic root of 83706136 is about 437.4406097341.

The spelling of 83706136 in words is "eighty-three million, seven hundred six thousand, one hundred thirty-six".