158937740 has 72 divisors (see below), whose sum is σ = 368005680. Its totient is φ = 57617664.

The previous prime is 158937739. The next prime is 158937763. The reversal of 158937740 is 47739851.

It is a super-2 number, since 2×158937740² = 50522410392615200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158937691 and 158937700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199022 + ... + 199818.

It is an arithmetic number, because the mean of its divisors is an integer number (5111190).

Almost surely, 2^158937740 is an apocalyptic number.

158937740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158937740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184002840).

158937740 is an abundant number, since it is smaller than the sum of its proper divisors (209067940).

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

158937740 is a wasteful number, since it uses less digits than its factorization.

158937740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 158937740 is about 12607.0512016094. The cubic root of 158937740 is about 541.6794308103.

The spelling of 158937740 in words is "one hundred fifty-eight million, nine hundred thirty-seven thousand, seven hundred forty".