140740350 has 48 divisors (see below), whose sum is σ = 353844912. Its totient is φ = 37013760.

The previous prime is 140740349. The next prime is 140740357. The reversal of 140740350 is 53047041.

It is a super-2 number, since 2×140740350² = 39615692236245000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140740350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140740357) 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, 4524 + ... + 17376.

It is an arithmetic number, because the mean of its divisors is an integer number (7371769).

Almost surely, 2^140740350 is an apocalyptic number.

140740350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140740350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176922456).

140740350 is an abundant number, since it is smaller than the sum of its proper divisors (213104562).

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

140740350 is a wasteful number, since it uses less digits than its factorization.

140740350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12941 (or 12936 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 140740350 is about 11863.4038117228. The cubic root of 140740350 is about 520.1631021894.

Adding to 140740350 its reverse (53047041), we get a palindrome (193787391).

The spelling of 140740350 in words is "one hundred forty million, seven hundred forty thousand, three hundred fifty".