158707140438 has 64 divisors (see below), whose sum is σ = 406432931328. Its totient is φ = 40108504320.

The previous prime is 158707140407. The next prime is 158707140469. The reversal of 158707140438 is 834041707851.

It is an interprime number because it is at equal distance from previous prime (158707140407) and next prime (158707140469).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4625095 + ... + 4659282.

It is an arithmetic number, because the mean of its divisors is an integer number (6350514552).

Almost surely, 2^158707140438 is an apocalyptic number.

158707140438 is an abundant number, since it is smaller than the sum of its proper divisors (247725790890).

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

158707140438 is a wasteful number, since it uses less digits than its factorization.

158707140438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284437.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 158707140438 in words is "one hundred fifty-eight billion, seven hundred seven million, one hundred forty thousand, four hundred thirty-eight".