158140620 has 192 divisors, whose sum is σ = 545126400. Its totient is φ = 37739520.

The previous prime is 158140603. The next prime is 158140637. The reversal of 158140620 is 26041851.

It is an interprime number because it is at equal distance from previous prime (158140603) and next prime (158140637).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 469092 + ... + 469428.

It is an arithmetic number, because the mean of its divisors is an integer number (2839200).

Almost surely, 2^158140620 is an apocalyptic number.

158140620 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 158140620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272563200).

158140620 is an abundant number, since it is smaller than the sum of its proper divisors (386985780).

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

158140620 is a wasteful number, since it uses less digits than its factorization.

158140620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 158140620 is about 12575.3974092273. The cubic root of 158140620 is about 540.7723515839.

The spelling of 158140620 in words is "one hundred fifty-eight million, one hundred forty thousand, six hundred twenty".