68135332 has 12 divisors (see below), whose sum is σ = 119952000. Its totient is φ = 33863336.

The previous prime is 68135323. The next prime is 68135341. The reversal of 68135332 is 23353186.

It is an interprime number because it is at equal distance from previous prime (68135323) and next prime (68135341).

It is a junction number, because it is equal to n+sod(n) for n = 68135294 and 68135303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50332 + ... + 51667.

It is an arithmetic number, because the mean of its divisors is an integer number (9996000).

Almost surely, 2^68135332 is an apocalyptic number.

It is an amenable number.

68135332 is a deficient number, since it is larger than the sum of its proper divisors (51816668).

68135332 is a wasteful number, since it uses less digits than its factorization.

68135332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102170 (or 102168 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 68135332 is about 8254.4128803931. The cubic root of 68135332 is about 408.4361045590.

Subtracting from 68135332 its sum of digits (31), we obtain a triangular number (68135301 = T₁₁₆₇₃).

The spelling of 68135332 in words is "sixty-eight million, one hundred thirty-five thousand, three hundred thirty-two".