68634232771134 has 128 divisors (see below), whose sum is σ = 145846278144000. Its totient is φ = 21472038783360.

The previous prime is 68634232771133. The next prime is 68634232771189. The reversal of 68634232771134 is 43117723243686.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68634232771133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15228360909 + ... + 15228365415.

It is an arithmetic number, because the mean of its divisors is an integer number (1139424048000).

Almost surely, 2^{68634232771134} is an apocalyptic number.

68634232771134 is an abundant number, since it is smaller than the sum of its proper divisors (77212045372866).

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

68634232771134 is a wasteful number, since it uses less digits than its factorization.

68634232771134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478.

The product of its digits is 24385536, while the sum is 57.

The spelling of 68634232771134 in words is "sixty-eight trillion, six hundred thirty-four billion, two hundred thirty-two million, seven hundred seventy-one thousand, one hundred thirty-four".