4136061397 has 6 divisors (see below), whose sum is σ = 4454469698. Its totient is φ = 3817688784.

The previous prime is 4136061389. The next prime is 4136061401. The reversal of 4136061397 is 7931606314.

It can be written as a sum of positive squares in 3 ways, for example, as 1283860561 + 2852200836 = 35831^2 + 53406^2 .

It is not a de Polignac number, because 4136061397 - 2³ = 4136061389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4136061367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222963 + ... + 240799.

Almost surely, 2^4136061397 is an apocalyptic number.

It is an amenable number.

4136061397 is a deficient number, since it is larger than the sum of its proper divisors (318408301).

4136061397 is an frugal number, since it uses more digits than its factorization.

4136061397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35687 (or 17850 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 4136061397 is about 64312.2181004512. The cubic root of 4136061397 is about 1605.1994132459.

The spelling of 4136061397 in words is "four billion, one hundred thirty-six million, sixty-one thousand, three hundred ninety-seven".