83148109 has 16 divisors (see below), whose sum is σ = 92433600. Its totient is φ = 74165760.

The previous prime is 83148103. The next prime is 83148119. The reversal of 83148109 is 90184138.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 83148109 - 2¹⁵ = 83115341 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 (83148103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158722 + ... + 159244.

It is an arithmetic number, because the mean of its divisors is an integer number (5777100).

Almost surely, 2^83148109 is an apocalyptic number.

It is an amenable number.

83148109 is a deficient number, since it is larger than the sum of its proper divisors (9285491).

83148109 is a wasteful number, since it uses less digits than its factorization.

83148109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 83148109 is about 9118.5584935339. The cubic root of 83148109 is about 436.4663755865.

The spelling of 83148109 in words is "eighty-three million, one hundred forty-eight thousand, one hundred nine".