158126540 has 72 divisors (see below), whose sum is σ = 392354928. Its totient is φ = 53064960.

The previous prime is 158126519. The next prime is 158126543. The reversal of 158126540 is 45621851.

158126540 = T₄₃₉ + T₄₄₀ + ... + T₁₀₁₀.

158126540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158126497 and 158126506.

It is not an unprimeable number, because it can be changed into a prime (158126543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35054 + ... + 39306.

It is an arithmetic number, because the mean of its divisors is an integer number (5449374).

Almost surely, 2^158126540 is an apocalyptic number.

158126540 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 158126540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196177464).

158126540 is an abundant number, since it is smaller than the sum of its proper divisors (234228388).

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

158126540 is a wasteful number, since it uses less digits than its factorization.

158126540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4284 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 158126540 is about 12574.8375735037. The cubic root of 158126540 is about 540.7563019426.

The spelling of 158126540 in words is "one hundred fifty-eight million, one hundred twenty-six thousand, five hundred forty".