158435689388 has 12 divisors (see below), whose sum is σ = 283710420840. Its totient is φ = 77375569152.

The previous prime is 158435689381. The next prime is 158435689417. The reversal of 158435689388 is 883986534851.

It is not an unprimeable number, because it can be changed into a prime (158435689381) 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, 460568693 + ... + 460569036.

It is an arithmetic number, because the mean of its divisors is an integer number (23642535070).

Almost surely, 2^158435689388 is an apocalyptic number.

It is an amenable number.

158435689388 is a deficient number, since it is larger than the sum of its proper divisors (125274731452).

158435689388 is a wasteful number, since it uses less digits than its factorization.

158435689388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921137776 (or 921137774 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 68.

The spelling of 158435689388 in words is "one hundred fifty-eight billion, four hundred thirty-five million, six hundred eighty-nine thousand, three hundred eighty-eight".