1983137915135 has 16 divisors (see below), whose sum is σ = 2563656997440. Its totient is φ = 1463995296000.

The previous prime is 1983137915123. The next prime is 1983137915137. The reversal of 1983137915135 is 5315197313891.

It is a happy number.

It is not a de Polignac number, because 1983137915135 - 2²² = 1983133720831 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983137915137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4754366 + ... + 5154635.

It is an arithmetic number, because the mean of its divisors is an integer number (160228562340).

Almost surely, 2^{1983137915135} is an apocalyptic number.

1983137915135 is a deficient number, since it is larger than the sum of its proper divisors (580519082305).

1983137915135 is a wasteful number, since it uses less digits than its factorization.

1983137915135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912098.

The product of its digits is 3061800, while the sum is 56.

The spelling of 1983137915135 in words is "one trillion, nine hundred eighty-three billion, one hundred thirty-seven million, nine hundred fifteen thousand, one hundred thirty-five".