1498619138 has 16 divisors (see below), whose sum is σ = 2337509880. Its totient is φ = 719717376.

The previous prime is 1498619107. The next prime is 1498619153. The reversal of 1498619138 is 8319168941.

It can be written as a sum of positive squares in 4 ways, for example, as 1209857089 + 288762049 = 34783^2 + 16993^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55745 + ... + 78132.

Almost surely, 2^1498619138 is an apocalyptic number.

1498619138 is a deficient number, since it is larger than the sum of its proper divisors (838890742).

1498619138 is a wasteful number, since it uses less digits than its factorization.

1498619138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134101.

The product of its digits is 373248, while the sum is 50.

The square root of 1498619138 is about 38712.0025056829. The cubic root of 1498619138 is about 1144.3628697322.

The spelling of 1498619138 in words is "one billion, four hundred ninety-eight million, six hundred nineteen thousand, one hundred thirty-eight".