142289837491 has 16 divisors (see below), whose sum is σ = 144720000000. Its totient is φ = 139879244736.

The previous prime is 142289837489. The next prime is 142289837513. The reversal of 142289837491 is 194738982241.

It is a cyclic number.

It is not a de Polignac number, because 142289837491 - 2¹ = 142289837489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142289837401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35402280 + ... + 35406298.

It is an arithmetic number, because the mean of its divisors is an integer number (9045000000).

Almost surely, 2^142289837491 is an apocalyptic number.

142289837491 is a deficient number, since it is larger than the sum of its proper divisors (2430162509).

142289837491 is a wasteful number, since it uses less digits than its factorization.

142289837491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306.

The product of its digits is 6967296, while the sum is 58.

The spelling of 142289837491 in words is "one hundred forty-two billion, two hundred eighty-nine million, eight hundred thirty-seven thousand, four hundred ninety-one".