1138343145660 has 144 divisors (see below), whose sum is σ = 4153954022400. Its totient is φ = 246498360192.

The previous prime is 1138343145581. The next prime is 1138343145689. The reversal of 1138343145660 is 665413438311.

1138343145660 is a `hidden beast` number, since 1 + 1 + 3 + 83 + 4 + 3 + 1 + 4 + 566 + 0 = 666.

It is a super-2 number, since 2×1138343145660² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23750980 + ... + 23798859.

Almost surely, 2^{1138343145660} is an apocalyptic number.

1138343145660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138343145660 is an abundant number, since it is smaller than the sum of its proper divisors (3015610876740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138343145660 is a wasteful number, since it uses less digits than its factorization.

1138343145660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47549880 (or 47549875 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

It can be divided in two parts, 1138343 and 145660, that added together give a triangular number (1284003 = T₁₆₀₂).

The spelling of 1138343145660 in words is "one trillion, one hundred thirty-eight billion, three hundred forty-three million, one hundred forty-five thousand, six hundred sixty".