135688204462 has 24 divisors (see below), whose sum is σ = 216447230880. Its totient is φ = 63782933760.

The previous prime is 135688204451. The next prime is 135688204481. The reversal of 135688204462 is 264402886531.

It is a super-2 number, since 2×135688204462² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397714 + ... + 655402.

It is an arithmetic number, because the mean of its divisors is an integer number (9018634620).

Almost surely, 2^135688204462 is an apocalyptic number.

135688204462 is a deficient number, since it is larger than the sum of its proper divisors (80759026418).

135688204462 is a wasteful number, since it uses less digits than its factorization.

135688204462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258636 (or 258619 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 135688204462 in words is "one hundred thirty-five billion, six hundred eighty-eight million, two hundred four thousand, four hundred sixty-two".