140934258 has 48 divisors (see below), whose sum is σ = 324469080. Its totient is φ = 44126208.

The previous prime is 140934253. The next prime is 140934293. The reversal of 140934258 is 852439041.

140934258 is a `hidden beast` number, since 140 + 93 + 425 + 8 = 666.

140934258 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 4 ways, for example, as 133333209 + 7601049 = 11547^2 + 2757^2 .

It is a super-3 number, since 3×140934258³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140934251) 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, 15666 + ... + 22962.

Almost surely, 2^140934258 is an apocalyptic number.

140934258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140934258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162234540).

140934258 is an abundant number, since it is smaller than the sum of its proper divisors (183534822).

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

140934258 is a wasteful number, since it uses less digits than its factorization.

140934258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371 (or 7368 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 140934258 is about 11871.5735267066. The cubic root of 140934258 is about 520.4018811414.

The spelling of 140934258 in words is "one hundred forty million, nine hundred thirty-four thousand, two hundred fifty-eight".