6148978131 has 8 divisors (see below), whose sum is σ = 8321005504. Its totient is φ = 4038134760.

The previous prime is 6148978127. The next prime is 6148978133. The reversal of 6148978131 is 1318798416.

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

It is not a de Polignac number, because 6148978131 - 2² = 6148978127 is a prime.

It is a super-2 number, since 2×6148978131² = 75619864111032506322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6148978133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15295765 + ... + 15296166.

It is an arithmetic number, because the mean of its divisors is an integer number (1040125688).

Almost surely, 2^6148978131 is an apocalyptic number.

6148978131 is a deficient number, since it is larger than the sum of its proper divisors (2172027373).

6148978131 is a wasteful number, since it uses less digits than its factorization.

6148978131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30592001.

The product of its digits is 290304, while the sum is 48.

The square root of 6148978131 is about 78415.4202373487. The cubic root of 6148978131 is about 1832.0373192558.

The spelling of 6148978131 in words is "six billion, one hundred forty-eight million, nine hundred seventy-eight thousand, one hundred thirty-one".