1153400399 has 2 divisors, whose sum is σ = 1153400400. Its totient is φ = 1153400398.

The previous prime is 1153400341. The next prime is 1153400431. The reversal of 1153400399 is 9930043511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153400399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153400329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576700199 + 576700200.

It is an arithmetic number, because the mean of its divisors is an integer number (576700200).

Almost surely, 2^1153400399 is an apocalyptic number.

1153400399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153400399 is an equidigital number, since it uses as much as digits as its factorization.

1153400399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1153400399 is about 33961.7490568433. The cubic root of 1153400399 is about 1048.7211638738.

The spelling of 1153400399 in words is "one billion, one hundred fifty-three million, four hundred thousand, three hundred ninety-nine".