1534498139 has 2 divisors, whose sum is σ = 1534498140. Its totient is φ = 1534498138.

The previous prime is 1534498093. The next prime is 1534498169. The reversal of 1534498139 is 9318944351.

It is a strong prime.

It is an emirp because it is prime and its reverse (9318944351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1534498139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1534498093 and 1534498102.

It is not a weakly prime, because it can be changed into another prime (1534498169) 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, 767249069 + 767249070.

It is an arithmetic number, because the mean of its divisors is an integer number (767249070).

Almost surely, 2^1534498139 is an apocalyptic number.

1534498139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534498139 is an equidigital number, since it uses as much as digits as its factorization.

1534498139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 1534498139 is about 39172.6708178036. The cubic root of 1534498139 is about 1153.4234818123.

The spelling of 1534498139 in words is "one billion, five hundred thirty-four million, four hundred ninety-eight thousand, one hundred thirty-nine".