1508834501138 has 16 divisors (see below), whose sum is σ = 2288956695840. Its totient is φ = 745850974176.

The previous prime is 1508834501123. The next prime is 1508834501149. The reversal of 1508834501138 is 8311054388051.

It is a junction number, because it is equal to n+sod(n) for n = 1508834501092 and 1508834501101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987545 + ... + 1998227.

It is an arithmetic number, because the mean of its divisors is an integer number (143059793490).

Almost surely, 2^{1508834501138} is an apocalyptic number.

1508834501138 is a deficient number, since it is larger than the sum of its proper divisors (780122194702).

1508834501138 is a wasteful number, since it uses less digits than its factorization.

1508834501138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019161.

The product of its (nonzero) digits is 460800, while the sum is 47.

Adding to 1508834501138 its reverse (8311054388051), we get a palindrome (9819888889189).

The spelling of 1508834501138 in words is "one trillion, five hundred eight billion, eight hundred thirty-four million, five hundred one thousand, one hundred thirty-eight".