7129836149 has 8 divisors (see below), whose sum is σ = 7300091040. Its totient is φ = 6959783376.

The previous prime is 7129836139. The next prime is 7129836157. The reversal of 7129836149 is 9416389217.

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

It is a cyclic number.

It is not a de Polignac number, because 7129836149 - 2²⁴ = 7113058933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7129836097 and 7129836106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7129836139) 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, 22094 + ... + 121440.

It is an arithmetic number, because the mean of its divisors is an integer number (912511380).

Almost surely, 2^7129836149 is an apocalyptic number.

It is an amenable number.

7129836149 is a deficient number, since it is larger than the sum of its proper divisors (170254891).

7129836149 is a wasteful number, since it uses less digits than its factorization.

7129836149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101059.

The product of its digits is 653184, while the sum is 50.

The square root of 7129836149 is about 84438.3570955759. The cubic root of 7129836149 is about 1924.6858338370.

The spelling of 7129836149 in words is "seven billion, one hundred twenty-nine million, eight hundred thirty-six thousand, one hundred forty-nine".