1873831608136 has 8 divisors (see below), whose sum is σ = 3513434265270. Its totient is φ = 936915804064.

The previous prime is 1873831608079. The next prime is 1873831608283. The reversal of 1873831608136 is 6318061383781.

It can be written as a sum of positive squares in only one way, i.e., 1694927987236 + 178903620900 = 1301894^2 + 422970^2 .

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

It is a super-2 number, since 2×1873831608136² (a number of 25 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, 117114475501 + ... + 117114475516.

Almost surely, 2^{1873831608136} is an apocalyptic number.

It is an amenable number.

1873831608136 is a deficient number, since it is larger than the sum of its proper divisors (1639602657134).

1873831608136 is a wasteful number, since it uses less digits than its factorization.

1873831608136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234228951023 (or 234228951019 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 1873831608136 in words is "one trillion, eight hundred seventy-three billion, eight hundred thirty-one million, six hundred eight thousand, one hundred thirty-six".