135801638167436 has 48 divisors (see below), whose sum is σ = 255905034890400. Its totient is φ = 62821616222208.

The previous prime is 135801638167417. The next prime is 135801638167463. The reversal of 135801638167436 is 634761836108531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138845420 + ... + 139820076.

It is an arithmetic number, because the mean of its divisors is an integer number (5331354893550).

Almost surely, 2^{135801638167436} is an apocalyptic number.

It is an amenable number.

135801638167436 is a deficient number, since it is larger than the sum of its proper divisors (120103396722964).

135801638167436 is a wasteful number, since it uses less digits than its factorization.

135801638167436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009466 (or 1009464 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 135801638167436 in words is "one hundred thirty-five trillion, eight hundred one billion, six hundred thirty-eight million, one hundred sixty-seven thousand, four hundred thirty-six".