158029515738 has 12 divisors (see below), whose sum is σ = 342397284138. Its totient is φ = 52676505240.

The previous prime is 158029515737. The next prime is 158029515769. The reversal of 158029515738 is 837515920851.

158029515738 is a `hidden beast` number, since 1 + 58 + 0 + 2 + 9 + 515 + 73 + 8 = 666.

158029515738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 154192084929 + 3837430809 = 392673^2 + 61947^2 .

It is not an unprimeable number, because it can be changed into a prime (158029515737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4389708753 + ... + 4389708788.

Almost surely, 2^158029515738 is an apocalyptic number.

158029515738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

158029515738 is an abundant number, since it is smaller than the sum of its proper divisors (184367768400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158029515738 is a wasteful number, since it uses less digits than its factorization.

158029515738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8779417549 (or 8779417546 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The spelling of 158029515738 in words is "one hundred fifty-eight billion, twenty-nine million, five hundred fifteen thousand, seven hundred thirty-eight".