1138237301 has 4 divisors (see below), whose sum is σ = 1138517100. Its totient is φ = 1137957504.

The previous prime is 1138237291. The next prime is 1138237319. The reversal of 1138237301 is 1037328311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 452583076 + 685654225 = 21274^2 + 26185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138237301 - 2¹⁰ = 1138236277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138237801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133706 + ... + 141963.

It is an arithmetic number, because the mean of its divisors is an integer number (284629275).

Almost surely, 2^1138237301 is an apocalyptic number.

It is an amenable number.

1138237301 is a deficient number, since it is larger than the sum of its proper divisors (279799).

1138237301 is an equidigital number, since it uses as much as digits as its factorization.

1138237301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279798.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1138237301 is about 33737.7726146822. The cubic root of 1138237301 is about 1044.1052301288.

The spelling of 1138237301 in words is "one billion, one hundred thirty-eight million, two hundred thirty-seven thousand, three hundred one".