140361343 has 4 divisors (see below), whose sum is σ = 140396760. Its totient is φ = 140325928.

The previous prime is 140361311. The next prime is 140361359. The reversal of 140361343 is 343163041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343163041 = 13 ⋅26397157.

It is a cyclic number.

It is not a de Polignac number, because 140361343 - 2⁵ = 140361311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140361043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10888 + ... + 19981.

It is an arithmetic number, because the mean of its divisors is an integer number (35099190).

Almost surely, 2^140361343 is an apocalyptic number.

140361343 is a deficient number, since it is larger than the sum of its proper divisors (35417).

140361343 is an equidigital number, since it uses as much as digits as its factorization.

140361343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35416.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 140361343 is about 11847.4192548420. The cubic root of 140361343 is about 519.6957576791.

The spelling of 140361343 in words is "one hundred forty million, three hundred sixty-one thousand, three hundred forty-three".