172142036 has 12 divisors (see below), whose sum is σ = 328634880. Its totient is φ = 78246360.

The previous prime is 172141993. The next prime is 172142081. The reversal of 172142036 is 630241271.

It is a junction number, because it is equal to n+sod(n) for n = 172141996 and 172142014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956116 + ... + 1956203.

It is an arithmetic number, because the mean of its divisors is an integer number (27386240).

Almost surely, 2^172142036 is an apocalyptic number.

It is an amenable number.

172142036 is a deficient number, since it is larger than the sum of its proper divisors (156492844).

172142036 is a wasteful number, since it uses less digits than its factorization.

172142036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912334 (or 3912332 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 172142036 is about 13120.2910028703. The cubic root of 172142036 is about 556.2828167989.

The spelling of 172142036 in words is "one hundred seventy-two million, one hundred forty-two thousand, thirty-six".