105421640587131 has 8 divisors (see below), whose sum is σ = 153340568126784. Its totient is φ = 63891903386120.

The previous prime is 105421640587129. The next prime is 105421640587139. The reversal of 105421640587131 is 131785046124501.

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

It is a cyclic number.

It is not a de Polignac number, because 105421640587131 - 2¹ = 105421640587129 is a prime.

It is a super-2 number, since 2×105421640587131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105421640587139) 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, 1597297584621 + ... + 1597297584686.

It is an arithmetic number, because the mean of its divisors is an integer number (19167571015848).

Almost surely, 2^{105421640587131} is an apocalyptic number.

105421640587131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105421640587131 is a deficient number, since it is larger than the sum of its proper divisors (47918927539653).

105421640587131 is a wasteful number, since it uses less digits than its factorization.

105421640587131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194595169321.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 105421640587131 in words is "one hundred five trillion, four hundred twenty-one billion, six hundred forty million, five hundred eighty-seven thousand, one hundred thirty-one".