135918457651 has 2 divisors, whose sum is σ = 135918457652. Its totient is φ = 135918457650.

The previous prime is 135918457637. The next prime is 135918457679. The reversal of 135918457651 is 156754819531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135918457651 - 2¹⁹ = 135917933363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135918457592 and 135918457601.

It is not a weakly prime, because it can be changed into another prime (135918457691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67959228825 + 67959228826.

It is an arithmetic number, because the mean of its divisors is an integer number (67959228826).

Almost surely, 2^135918457651 is an apocalyptic number.

135918457651 is a deficient number, since it is larger than the sum of its proper divisors (1).

135918457651 is an equidigital number, since it uses as much as digits as its factorization.

135918457651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 55.

The spelling of 135918457651 in words is "one hundred thirty-five billion, nine hundred eighteen million, four hundred fifty-seven thousand, six hundred fifty-one".