142749266536 has 32 divisors (see below), whose sum is σ = 268561874880. Its totient is φ = 71132947200.

The previous prime is 142749266533. The next prime is 142749266557. The reversal of 142749266536 is 635662947241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142749266533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7299091 + ... + 7318621.

It is an arithmetic number, because the mean of its divisors is an integer number (8392558590).

Almost surely, 2^142749266536 is an apocalyptic number.

It is an amenable number.

142749266536 is a deficient number, since it is larger than the sum of its proper divisors (125812608344).

142749266536 is a wasteful number, since it uses less digits than its factorization.

142749266536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22585 (or 22581 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 55.

The spelling of 142749266536 in words is "one hundred forty-two billion, seven hundred forty-nine million, two hundred sixty-six thousand, five hundred thirty-six".