140155326 has 32 divisors (see below), whose sum is σ = 316742400. Its totient is φ = 45925560.

The previous prime is 140155321. The next prime is 140155333. The reversal of 140155326 is 623551041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140155326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140155321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18810 + ... + 25181.

It is an arithmetic number, because the mean of its divisors is an integer number (9898200).

Almost surely, 2^140155326 is an apocalyptic number.

140155326 is an abundant number, since it is smaller than the sum of its proper divisors (176587074).

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

140155326 is a wasteful number, since it uses less digits than its factorization.

140155326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44061 (or 44055 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 140155326 is about 11838.7214681316. The cubic root of 140155326 is about 519.4413700063.

The spelling of 140155326 in words is "one hundred forty million, one hundred fifty-five thousand, three hundred twenty-six".