3165139897 has 8 divisors (see below), whose sum is σ = 3269318400. Its totient is φ = 3061091280.

The previous prime is 3165139889. The next prime is 3165139903. The reversal of 3165139897 is 7989315613.

It is a happy number.

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

It is not a de Polignac number, because 3165139897 - 2³ = 3165139889 is a prime.

It is a super-2 number, since 2×3165139897² = 20036221135162341218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3165139097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18354 + ... + 81652.

It is an arithmetic number, because the mean of its divisors is an integer number (408664800).

Almost surely, 2^3165139897 is an apocalyptic number.

It is an amenable number.

3165139897 is a deficient number, since it is larger than the sum of its proper divisors (104178503).

3165139897 is a wasteful number, since it uses less digits than its factorization.

3165139897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64943.

The product of its digits is 1224720, while the sum is 52.

The square root of 3165139897 is about 56259.5760471051. The cubic root of 3165139897 is about 1468.2419782976.

The spelling of 3165139897 in words is "three billion, one hundred sixty-five million, one hundred thirty-nine thousand, eight hundred ninety-seven".