1138839151 has 2 divisors, whose sum is σ = 1138839152. Its totient is φ = 1138839150.

The previous prime is 1138839137. The next prime is 1138839161. The reversal of 1138839151 is 1519388311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1138839151 - 2⁹ = 1138838639 is a prime.

It is a super-2 number, since 2×1138839151² = 2593909223700801602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138839161) 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 as a sum of consecutive naturals, namely, 569419575 + 569419576.

It is an arithmetic number, because the mean of its divisors is an integer number (569419576).

Almost surely, 2^1138839151 is an apocalyptic number.

1138839151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138839151 is an equidigital number, since it uses as much as digits as its factorization.

1138839151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 40.

The square root of 1138839151 is about 33746.6909637078. The cubic root of 1138839151 is about 1044.2892233989.

The spelling of 1138839151 in words is "one billion, one hundred thirty-eight million, eight hundred thirty-nine thousand, one hundred fifty-one".