7129158196 has 6 divisors (see below), whose sum is σ = 12476026850. Its totient is φ = 3564579096.

The previous prime is 7129158193. The next prime is 7129158227. The reversal of 7129158196 is 6918519217.

It can be written as a sum of positive squares in only one way, i.e., 5987664400 + 1141493796 = 77380^2 + 33786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7129158193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891144771 + ... + 891144778.

Almost surely, 2^7129158196 is an apocalyptic number.

It is an amenable number.

7129158196 is a deficient number, since it is larger than the sum of its proper divisors (5346868654).

7129158196 is a wasteful number, since it uses less digits than its factorization.

7129158196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782289553 (or 1782289551 counting only the distinct ones).

The product of its digits is 272160, while the sum is 49.

The square root of 7129158196 is about 84434.3425153533. The cubic root of 7129158196 is about 1924.6248278583.

The spelling of 7129158196 in words is "seven billion, one hundred twenty-nine million, one hundred fifty-eight thousand, one hundred ninety-six".