3138955319 has 8 divisors (see below), whose sum is σ = 3154629888. Its totient is φ = 3123297400.

The previous prime is 3138955307. The next prime is 3138955343. The reversal of 3138955319 is 9135598313.

3138955319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3138955319 is a prime.

It is a super-2 number, since 2×3138955319² = 19706080989356783522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138955399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552644 + ... + 558294.

It is an arithmetic number, because the mean of its divisors is an integer number (394328736).

Almost surely, 2^3138955319 is an apocalyptic number.

3138955319 is a deficient number, since it is larger than the sum of its proper divisors (15674569).

3138955319 is a wasteful number, since it uses less digits than its factorization.

3138955319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325.

The product of its digits is 437400, while the sum is 47.

The square root of 3138955319 is about 56026.3805630883. The cubic root of 3138955319 is about 1464.1819362352.

The spelling of 3138955319 in words is "three billion, one hundred thirty-eight million, nine hundred fifty-five thousand, three hundred nineteen".