1138954351 has 2 divisors, whose sum is σ = 1138954352. Its totient is φ = 1138954350.

The previous prime is 1138954307. The next prime is 1138954367. The reversal of 1138954351 is 1534598311.

It is a strong prime.

It is an emirp because it is prime and its reverse (1534598311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1138954351 - 2¹¹ = 1138952303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138954391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569477175 + 569477176.

It is an arithmetic number, because the mean of its divisors is an integer number (569477176).

Almost surely, 2^1138954351 is an apocalyptic number.

1138954351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138954351 is an equidigital number, since it uses as much as digits as its factorization.

1138954351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 40.

The square root of 1138954351 is about 33748.3977545601. The cubic root of 1138954351 is about 1044.3244341256.

The spelling of 1138954351 in words is "one billion, one hundred thirty-eight million, nine hundred fifty-four thousand, three hundred fifty-one".