1542132919 has 2 divisors, whose sum is σ = 1542132920. Its totient is φ = 1542132918.

The previous prime is 1542132901. The next prime is 1542132923. The reversal of 1542132919 is 9192312451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1542132919 - 2⁷ = 1542132791 is a prime.

It is a super-2 number, since 2×1542132919² = 4756347879726921122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542132989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771066459 + 771066460.

It is an arithmetic number, because the mean of its divisors is an integer number (771066460).

Almost surely, 2^1542132919 is an apocalyptic number.

1542132919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542132919 is an equidigital number, since it uses as much as digits as its factorization.

1542132919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 1542132919 is about 39270.0002419149. Note that the first 3 decimals coincide. The cubic root of 1542132919 is about 1155.3332419243. Note that the first 3 decimals are identical.

The spelling of 1542132919 in words is "one billion, five hundred forty-two million, one hundred thirty-two thousand, nine hundred nineteen".