136212983 has 2 divisors, whose sum is σ = 136212984. Its totient is φ = 136212982.

The previous prime is 136212953. The next prime is 136212991. The reversal of 136212983 is 389212631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136212983 - 2¹⁶ = 136147447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136212953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68106491 + 68106492.

It is an arithmetic number, because the mean of its divisors is an integer number (68106492).

Almost surely, 2^136212983 is an apocalyptic number.

136212983 is a deficient number, since it is larger than the sum of its proper divisors (1).

136212983 is an equidigital number, since it uses as much as digits as its factorization.

136212983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 136212983 is about 11671.0317881497. The cubic root of 136212983 is about 514.5246287387.

The spelling of 136212983 in words is "one hundred thirty-six million, two hundred twelve thousand, nine hundred eighty-three".