7131049092 has 72 divisors (see below), whose sum is σ = 19347617016. Its totient is φ = 2206531584.

The previous prime is 7131049073. The next prime is 7131049129. The reversal of 7131049092 is 2909401317.

7131049092 is a `hidden beast` number, since 71 + 3 + 10 + 490 + 92 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 246364416 + 6884684676 = 15696^2 + 82974^2 .

It is a super-2 number, since 2×7131049092² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35133 + ... + 124484.

It is an arithmetic number, because the mean of its divisors is an integer number (268716903).

Almost surely, 2^7131049092 is an apocalyptic number.

It is an amenable number.

7131049092 is an abundant number, since it is smaller than the sum of its proper divisors (12216567924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7131049092 is a wasteful number, since it uses less digits than its factorization.

7131049092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159717 (or 159712 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 7131049092 is about 84445.5392072311. The cubic root of 7131049092 is about 1924.7949715407.

The spelling of 7131049092 in words is "seven billion, one hundred thirty-one million, forty-nine thousand, ninety-two".