73142120386 has 8 divisors (see below), whose sum is σ = 110449511100. Its totient is φ = 36325616688.

The previous prime is 73142120357. The next prime is 73142120399. The reversal of 73142120386 is 68302124137.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71826680025 + 1315440361 = 268005^2 + 36269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 122721381 + ... + 122721976.

Almost surely, 2^73142120386 is an apocalyptic number.

73142120386 is a deficient number, since it is larger than the sum of its proper divisors (37307390714).

73142120386 is a wasteful number, since it uses less digits than its factorization.

73142120386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245443508.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 73142120386 in words is "seventy-three billion, one hundred forty-two million, one hundred twenty thousand, three hundred eighty-six".