140034258 has 240 divisors, whose sum is σ = 417130560. Its totient is φ = 34727616.

The previous prime is 140034239. The next prime is 140034269. The reversal of 140034258 is 852430041.

140034258 is a `hidden beast` number, since 1 + 400 + 3 + 4 + 258 = 666.

It is a super-2 number, since 2×140034258² = 39219186827221128, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2373433 + ... + 2373491.

It is an arithmetic number, because the mean of its divisors is an integer number (1738044).

Almost surely, 2^140034258 is an apocalyptic number.

140034258 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 140034258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208565280).

140034258 is an abundant number, since it is smaller than the sum of its proper divisors (277096302).

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

140034258 is a wasteful number, since it uses less digits than its factorization.

140034258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 140034258 is about 11833.6071423721. The cubic root of 140034258 is about 519.2917601745.

Adding to 140034258 its reverse (852430041), we get a palindrome (992464299).

The spelling of 140034258 in words is "one hundred forty million, thirty-four thousand, two hundred fifty-eight".