172214642136 has 16 divisors (see below), whose sum is σ = 430536605400. Its totient is φ = 57404880704.

The previous prime is 172214642113. The next prime is 172214642137. The reversal of 172214642136 is 631246412271.

It is a junction number, because it is equal to n+sod(n) for n = 172214642094 and 172214642103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172214642137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3587805021 + ... + 3587805068.

Almost surely, 2^172214642136 is an apocalyptic number.

It is an amenable number.

172214642136 is an abundant number, since it is smaller than the sum of its proper divisors (258321963264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172214642136 is a wasteful number, since it uses less digits than its factorization.

172214642136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175610098 (or 7175610094 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The spelling of 172214642136 in words is "one hundred seventy-two billion, two hundred fourteen million, six hundred forty-two thousand, one hundred thirty-six".