83135645192 has 8 divisors (see below), whose sum is σ = 155879334750. Its totient is φ = 41567822592.

The previous prime is 83135645189. The next prime is 83135645249. The reversal of 83135645192 is 29154653138.

It can be written as a sum of positive squares in only one way, i.e., 82613705476 + 521939716 = 287426^2 + 22846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×83135645192² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195977817 + ... + 5195977832.

Almost surely, 2^83135645192 is an apocalyptic number.

It is an amenable number.

83135645192 is a deficient number, since it is larger than the sum of its proper divisors (72743689558).

83135645192 is a wasteful number, since it uses less digits than its factorization.

83135645192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391955655 (or 10391955651 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The spelling of 83135645192 in words is "eighty-three billion, one hundred thirty-five million, six hundred forty-five thousand, one hundred ninety-two".