1540050199 has 2 divisors, whose sum is σ = 1540050200. Its totient is φ = 1540050198.

The previous prime is 1540050173. The next prime is 1540050217. The reversal of 1540050199 is 9910500451.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1540050199 - 2⁵ = 1540050167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1540050899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770025099 + 770025100.

It is an arithmetic number, because the mean of its divisors is an integer number (770025100).

Almost surely, 2^1540050199 is an apocalyptic number.

1540050199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540050199 is an equidigital number, since it uses as much as digits as its factorization.

1540050199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1540050199 is about 39243.4733299692. The cubic root of 1540050199 is about 1154.8128977359.

The spelling of 1540050199 in words is "one billion, five hundred forty million, fifty thousand, one hundred ninety-nine".