2043780136148 has 6 divisors (see below), whose sum is σ = 3576615238266. Its totient is φ = 1021890068072.

The previous prime is 2043780136127. The next prime is 2043780136157. The reversal of 2043780136148 is 8416310873402.

It can be written as a sum of positive squares in only one way, i.e., 1627288025104 + 416492111044 = 1275652^2 + 645362^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255472517015 + ... + 255472517022.

It is an arithmetic number, because the mean of its divisors is an integer number (596102539711).

Almost surely, 2^{2043780136148} is an apocalyptic number.

It is an amenable number.

2043780136148 is a deficient number, since it is larger than the sum of its proper divisors (1532835102118).

2043780136148 is a wasteful number, since it uses less digits than its factorization.

2043780136148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510945034041 (or 510945034039 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 2043780136148 in words is "two trillion, forty-three billion, seven hundred eighty million, one hundred thirty-six thousand, one hundred forty-eight".