140361401 has 8 divisors (see below), whose sum is σ = 148722120. Its totient is φ = 132012288.

The previous prime is 140361359. The next prime is 140361443. The reversal of 140361401 is 104163041.

It is an interprime number because it is at equal distance from previous prime (140361359) and next prime (140361443).

It can be written as a sum of positive squares in 4 ways, for example, as 21529600 + 118831801 = 4640^2 + 10901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140361401 - 2¹⁴ = 140345017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140361451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41855 + ... + 45083.

It is an arithmetic number, because the mean of its divisors is an integer number (18590265).

Almost surely, 2^140361401 is an apocalyptic number.

It is an amenable number.

140361401 is a deficient number, since it is larger than the sum of its proper divisors (8360719).

140361401 is a wasteful number, since it uses less digits than its factorization.

140361401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 140361401 is about 11847.4217026322. The cubic root of 140361401 is about 519.6958292618.

The spelling of 140361401 in words is "one hundred forty million, three hundred sixty-one thousand, four hundred one".