149143135682 has 16 divisors (see below), whose sum is σ = 228492178560. Its totient is φ = 72979320528.

The previous prime is 149143135681. The next prime is 149143135789. The reversal of 149143135682 is 286531341941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (149143135681) 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, 1335548 + ... + 1442904.

It is an arithmetic number, because the mean of its divisors is an integer number (14280761160).

Almost surely, 2^149143135682 is an apocalyptic number.

149143135682 is a deficient number, since it is larger than the sum of its proper divisors (79349042878).

149143135682 is a wasteful number, since it uses less digits than its factorization.

149143135682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122185.

The product of its digits is 622080, while the sum is 47.

The spelling of 149143135682 in words is "one hundred forty-nine billion, one hundred forty-three million, one hundred thirty-five thousand, six hundred eighty-two".