761128149 has 8 divisors (see below), whose sum is σ = 1028739712. Its totient is φ = 500467680.

The previous prime is 761128139. The next prime is 761128153. The reversal of 761128149 is 941821167.

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

It is not a de Polignac number, because 761128149 - 2¹⁵ = 761095381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761128139) 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, 1737517 + ... + 1737954.

It is an arithmetic number, because the mean of its divisors is an integer number (128592464).

Almost surely, 2^761128149 is an apocalyptic number.

It is an amenable number.

761128149 is a deficient number, since it is larger than the sum of its proper divisors (267611563).

761128149 is a wasteful number, since it uses less digits than its factorization.

761128149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475547.

The product of its digits is 24192, while the sum is 39.

The square root of 761128149 is about 27588.5510493030. The cubic root of 761128149 is about 913.0318506812.

The spelling of 761128149 in words is "seven hundred sixty-one million, one hundred twenty-eight thousand, one hundred forty-nine".