135462631 has 2 divisors, whose sum is σ = 135462632. Its totient is φ = 135462630.

The previous prime is 135462629. The next prime is 135462667. The reversal of 135462631 is 136264531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135462631 - 2¹ = 135462629 is a prime.

It is a super-2 number, since 2×135462631² = 36700248794884322, which contains 22 as substring.

Together with 135462629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 135462593 and 135462602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135462671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67731315 + 67731316.

It is an arithmetic number, because the mean of its divisors is an integer number (67731316).

Almost surely, 2^135462631 is an apocalyptic number.

135462631 is a deficient number, since it is larger than the sum of its proper divisors (1).

135462631 is an equidigital number, since it uses as much as digits as its factorization.

135462631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 135462631 is about 11638.8414801474. The cubic root of 135462631 is about 513.5781069215.

The spelling of 135462631 in words is "one hundred thirty-five million, four hundred sixty-two thousand, six hundred thirty-one".