140369361 has 8 divisors (see below), whose sum is σ = 204173664. Its totient is φ = 85072320.

The previous prime is 140369353. The next prime is 140369377. The reversal of 140369361 is 163963041.

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

It is not a de Polignac number, because 140369361 - 2³ = 140369353 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4253617 = 140369361 / (1 + 4 + 0 + 3 + 6 + 9 + 3 + 6 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140369381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126776 + ... + 2126841.

It is an arithmetic number, because the mean of its divisors is an integer number (25521708).

Almost surely, 2^140369361 is an apocalyptic number.

140369361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140369361 is a deficient number, since it is larger than the sum of its proper divisors (63804303).

140369361 is a wasteful number, since it uses less digits than its factorization.

140369361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253631.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 140369361 is about 11847.7576359411. The cubic root of 140369361 is about 519.7056531891.

The spelling of 140369361 in words is "one hundred forty million, three hundred sixty-nine thousand, three hundred sixty-one".