143740135663 has 4 divisors (see below), whose sum is σ = 145764644688. Its totient is φ = 141715626640.

The previous prime is 143740135661. The next prime is 143740135703. The reversal of 143740135663 is 366531047341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143740135663 - 2¹ = 143740135661 is a prime.

It is a super-2 number, since 2×143740135663² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143740135661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012254406 + ... + 1012254547.

It is an arithmetic number, because the mean of its divisors is an integer number (36441161172).

Almost surely, 2^143740135663 is an apocalyptic number.

143740135663 is a deficient number, since it is larger than the sum of its proper divisors (2024509025).

143740135663 is an equidigital number, since it uses as much as digits as its factorization.

143740135663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024509024.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 143740135663 in words is "one hundred forty-three billion, seven hundred forty million, one hundred thirty-five thousand, six hundred sixty-three".