236135138651 has 2 divisors, whose sum is σ = 236135138652. Its totient is φ = 236135138650.

The previous prime is 236135138639. The next prime is 236135138653. The reversal of 236135138651 is 156831531632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 236135138651 - 2⁶ = 236135138587 is a prime.

Together with 236135138653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (236135138653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118067569325 + 118067569326.

It is an arithmetic number, because the mean of its divisors is an integer number (118067569326).

Almost surely, 2^236135138651 is an apocalyptic number.

236135138651 is a deficient number, since it is larger than the sum of its proper divisors (1).

236135138651 is an equidigital number, since it uses as much as digits as its factorization.

236135138651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The spelling of 236135138651 in words is "two hundred thirty-six billion, one hundred thirty-five million, one hundred thirty-eight thousand, six hundred fifty-one".