913129051 has 4 divisors (see below), whose sum is σ = 913213872. Its totient is φ = 913044232.

The previous prime is 913129043. The next prime is 913129153. The reversal of 913129051 is 150921319.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 150921319 = 67 ⋅2252557.

It is a cyclic number.

It is not a de Polignac number, because 913129051 - 2³ = 913129043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913129751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23431 + ... + 48736.

It is an arithmetic number, because the mean of its divisors is an integer number (228303468).

Almost surely, 2^913129051 is an apocalyptic number.

913129051 is a deficient number, since it is larger than the sum of its proper divisors (84821).

913129051 is a wasteful number, since it uses less digits than its factorization.

913129051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84820.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 913129051 is about 30218.0252663869. The cubic root of 913129051 is about 970.1615386191.

The spelling of 913129051 in words is "nine hundred thirteen million, one hundred twenty-nine thousand, fifty-one".