140126390 has 16 divisors (see below), whose sum is σ = 254726640. Its totient is φ = 55495200.

The previous prime is 140126351. The next prime is 140126401. The reversal of 140126390 is 93621041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68360 + ... + 70379.

It is an arithmetic number, because the mean of its divisors is an integer number (15920415).

Almost surely, 2^140126390 is an apocalyptic number.

140126390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140126390 is a deficient number, since it is larger than the sum of its proper divisors (114600250).

140126390 is a wasteful number, since it uses less digits than its factorization.

140126390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138847.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 140126390 is about 11837.4993136219. The cubic root of 140126390 is about 519.4056201697.

It can be divided in two parts, 14012 and 6390, that added together give a palindrome (20402).

The spelling of 140126390 in words is "one hundred forty million, one hundred twenty-six thousand, three hundred ninety".