236473136638 has 8 divisors (see below), whose sum is σ = 366151953600. Its totient is φ = 114422485440.

The previous prime is 236473136633. The next prime is 236473136657. The reversal of 236473136638 is 836631374632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236473136633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907041363 + ... + 1907041486.

It is an arithmetic number, because the mean of its divisors is an integer number (45768994200).

Almost surely, 2^236473136638 is an apocalyptic number.

236473136638 is a deficient number, since it is larger than the sum of its proper divisors (129678816962).

236473136638 is a wasteful number, since it uses less digits than its factorization.

236473136638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814082882.

The product of its digits is 7838208, while the sum is 52.

The spelling of 236473136638 in words is "two hundred thirty-six billion, four hundred seventy-three million, one hundred thirty-six thousand, six hundred thirty-eight".