140106162025 has 6 divisors (see below), whose sum is σ = 173731640942. Its totient is φ = 112084929600.

The previous prime is 140106162017. The next prime is 140106162041. The reversal of 140106162025 is 520261601041.

It can be written as a sum of positive squares in 3 ways, for example, as 1116629056 + 138989532969 = 33416^2 + 372813^2 .

It is not a de Polignac number, because 140106162025 - 2³ = 140106162017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140106161984 and 140106162002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2802123216 + ... + 2802123265.

Almost surely, 2^140106162025 is an apocalyptic number.

It is an amenable number.

140106162025 is a deficient number, since it is larger than the sum of its proper divisors (33625478917).

140106162025 is an equidigital number, since it uses as much as digits as its factorization.

140106162025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604246491 (or 5604246486 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 140106162025 its reverse (520261601041), we get a palindrome (660367763066).

The spelling of 140106162025 in words is "one hundred forty billion, one hundred six million, one hundred sixty-two thousand, twenty-five".