105473731902 has 128 divisors (see below), whose sum is σ = 274215075840. Its totient is φ = 26242392960.

The previous prime is 105473731897. The next prime is 105473731999. The reversal of 105473731902 is 209137374501.

It is a super-3 number, since 3×105473731902³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1670553 + ... + 1732539.

It is an arithmetic number, because the mean of its divisors is an integer number (2142305280).

Almost surely, 2^105473731902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105473731902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137107537920).

105473731902 is an abundant number, since it is smaller than the sum of its proper divisors (168741343938).

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

105473731902 is a wasteful number, since it uses less digits than its factorization.

105473731902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62166.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 105473731902 in words is "one hundred five billion, four hundred seventy-three million, seven hundred thirty-one thousand, nine hundred two".