75136383636861 has 8 divisors (see below), whose sum is σ = 100181914374240. Its totient is φ = 50090887662032.

The previous prime is 75136383636841. The next prime is 75136383636863. The reversal of 75136383636861 is 16863638363157.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75136383636861 is a prime.

It is a super-2 number, since 2×75136383636861² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75136383636792 and 75136383636801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75136383636863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141075 + ... + 12654608.

It is an arithmetic number, because the mean of its divisors is an integer number (12522739296780).

Almost surely, 2^{75136383636861} is an apocalyptic number.

It is an amenable number.

75136383636861 is a deficient number, since it is larger than the sum of its proper divisors (25045530737379).

75136383636861 is a wasteful number, since it uses less digits than its factorization.

75136383636861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17381275.

The product of its digits is 235146240, while the sum is 66.

The spelling of 75136383636861 in words is "seventy-five trillion, one hundred thirty-six billion, three hundred eighty-three million, six hundred thirty-six thousand, eight hundred sixty-one".