4131165402 has 400 divisors, whose sum is σ = 12526520160. Its totient is φ = 1008189504.

The previous prime is 4131165397. The next prime is 4131165419. The reversal of 4131165402 is 2045611314.

It is a happy number.

4131165402 is a `hidden beast` number, since 4 + 1 + 3 + 1 + 1 + 654 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 96073593 + ... + 96073635.

Almost surely, 2^4131165402 is an apocalyptic number.

4131165402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131165402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6263260080).

4131165402 is an abundant number, since it is smaller than the sum of its proper divisors (8395354758).

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

4131165402 is a wasteful number, since it uses less digits than its factorization.

4131165402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4131165402 is about 64274.1425613753. The cubic root of 4131165402 is about 1604.5657869854.

Adding to 4131165402 its reverse (2045611314), we get a palindrome (6176776716).

The spelling of 4131165402 in words is "four billion, one hundred thirty-one million, one hundred sixty-five thousand, four hundred two".