73134636140 has 24 divisors (see below), whose sum is σ = 162617015232. Its totient is φ = 27533039360.

The previous prime is 73134636139. The next prime is 73134636187. The reversal of 73134636140 is 4163643137.

It is a junction number, because it is equal to n+sod(n) for n = 73134636094 and 73134636103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107550596 + ... + 107551275.

It is an arithmetic number, because the mean of its divisors is an integer number (6775708968).

Almost surely, 2^73134636140 is an apocalyptic number.

It is an amenable number.

73134636140 is an abundant number, since it is smaller than the sum of its proper divisors (89482379092).

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

73134636140 is a wasteful number, since it uses less digits than its factorization.

73134636140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215101897 (or 215101895 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 73134636140 in words is "seventy-three billion, one hundred thirty-four million, six hundred thirty-six thousand, one hundred forty".