789136149 has 4 divisors (see below), whose sum is σ = 1052181536. Its totient is φ = 526090764.

The previous prime is 789136147. The next prime is 789136171. The reversal of 789136149 is 941631987.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 789136149 - 2¹ = 789136147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 789136098 and 789136107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789136147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 131522689 + ... + 131522694.

It is an arithmetic number, because the mean of its divisors is an integer number (263045384).

Almost surely, 2^789136149 is an apocalyptic number.

It is an amenable number.

789136149 is a deficient number, since it is larger than the sum of its proper divisors (263045387).

789136149 is a wasteful number, since it uses less digits than its factorization.

789136149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263045386.

The product of its digits is 326592, while the sum is 48.

The square root of 789136149 is about 28091.5672222110. The cubic root of 789136149 is about 924.0964730796.

The spelling of 789136149 in words is "seven hundred eighty-nine million, one hundred thirty-six thousand, one hundred forty-nine".