108147042909 has 24 divisors (see below), whose sum is σ = 156849293952. Its totient is φ = 71804283840.

The previous prime is 108147042907. The next prime is 108147042931. The reversal of 108147042909 is 909240741801.

It is a happy number.

108147042909 is a `hidden beast` number, since 10 + 81 + 470 + 4 + 2 + 90 + 9 = 666.

It is not a de Polignac number, because 108147042909 - 2¹ = 108147042907 is a prime.

It is a super-2 number, since 2×108147042909² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108147042907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7766137 + ... + 7780049.

It is an arithmetic number, because the mean of its divisors is an integer number (6535387248).

Almost surely, 2^108147042909 is an apocalyptic number.

It is an amenable number.

108147042909 is a deficient number, since it is larger than the sum of its proper divisors (48702251043).

108147042909 is a wasteful number, since it uses less digits than its factorization.

108147042909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17377 (or 17374 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 108147042909 in words is "one hundred eight billion, one hundred forty-seven million, forty-two thousand, nine hundred nine".