3145029139 has 4 divisors (see below), whose sum is σ = 3594319024. Its totient is φ = 2695739256.

The previous prime is 3145029113. The next prime is 3145029163. The reversal of 3145029139 is 9319205413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3145029139 - 2⁷ = 3145029011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3145029098 and 3145029107.

It is not an unprimeable number, because it can be changed into a prime (3145029109) 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, 224644932 + ... + 224644945.

It is an arithmetic number, because the mean of its divisors is an integer number (898579756).

Almost surely, 2^3145029139 is an apocalyptic number.

3145029139 is a deficient number, since it is larger than the sum of its proper divisors (449289885).

3145029139 is an equidigital number, since it uses as much as digits as its factorization.

3145029139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449289884.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 3145029139 is about 56080.5593677524. The cubic root of 3145029139 is about 1465.1257160110.

The spelling of 3145029139 in words is "three billion, one hundred forty-five million, twenty-nine thousand, one hundred thirty-nine".