3520072131741 has 36 divisors (see below), whose sum is σ = 5917554446076. Its totient is φ = 2007884271360.

The previous prime is 3520072131703. The next prime is 3520072131743. The reversal of 3520072131741 is 1471312700253.

3520072131741 is a `hidden beast` number, since 3 + 520 + 0 + 72 + 13 + 17 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1627783015716 + 1892289116025 = 1275846^2 + 1375605^2 .

It is not a de Polignac number, because 3520072131741 - 2¹⁵ = 3520072098973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3520072131696 and 3520072131705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520072131743) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95051766 + ... + 95088791.

It is an arithmetic number, because the mean of its divisors is an integer number (164376512391).

Almost surely, 2^{3520072131741} is an apocalyptic number.

It is an amenable number.

3520072131741 is a deficient number, since it is larger than the sum of its proper divisors (2397482314335).

3520072131741 is a wasteful number, since it uses less digits than its factorization.

3520072131741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190140602 (or 190140588 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 3520072131741 its reverse (1471312700253), we get a palindrome (4991384831994).

The spelling of 3520072131741 in words is "three trillion, five hundred twenty billion, seventy-two million, one hundred thirty-one thousand, seven hundred forty-one".