3445138539 has 24 divisors (see below), whose sum is σ = 5246414160. Its totient is φ = 2172474432.

The previous prime is 3445138511. The next prime is 3445138579. The reversal of 3445138539 is 9358315443.

3445138539 is a `hidden beast` number, since 34 + 4 + 51 + 38 + 539 = 666.

3445138539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3445138539 - 2⁵ = 3445138507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3445138494 and 3445138503.

It is not an unprimeable number, because it can be changed into a prime (3445138579) 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, 96237 + ... + 127089.

It is an arithmetic number, because the mean of its divisors is an integer number (218600590).

Almost surely, 2^3445138539 is an apocalyptic number.

3445138539 is a deficient number, since it is larger than the sum of its proper divisors (1801275621).

3445138539 is a wasteful number, since it uses less digits than its factorization.

3445138539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31531 (or 31528 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 3445138539 is about 58695.3025292485. The cubic root of 3445138539 is about 1510.3197339103.

The spelling of 3445138539 in words is "three billion, four hundred forty-five million, one hundred thirty-eight thousand, five hundred thirty-nine".