345126113 has 4 divisors (see below), whose sum is σ = 346933248. Its totient is φ = 343318980.

The previous prime is 345126107. The next prime is 345126137. The reversal of 345126113 is 311621543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345126113 - 2⁶ = 345126049 is a prime.

It is a super-4 number, since 4×345126113⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345126143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903281 + ... + 903662.

It is an arithmetic number, because the mean of its divisors is an integer number (86733312).

Almost surely, 2^345126113 is an apocalyptic number.

It is an amenable number.

345126113 is a deficient number, since it is larger than the sum of its proper divisors (1807135).

345126113 is a wasteful number, since it uses less digits than its factorization.

345126113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807134.

The product of its digits is 2160, while the sum is 26.

The square root of 345126113 is about 18577.5701586618. The cubic root of 345126113 is about 701.4433572143.

Adding to 345126113 its reverse (311621543), we get a palindrome (656747656).

The spelling of 345126113 in words is "three hundred forty-five million, one hundred twenty-six thousand, one hundred thirteen".