140360231 has 4 divisors (see below), whose sum is σ = 153120264. Its totient is φ = 127600200.

The previous prime is 140360167. The next prime is 140360249. The reversal of 140360231 is 132063041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132063041 = 11 ⋅12005731.

It is a cyclic number.

It is not a de Polignac number, because 140360231 - 2⁶ = 140360167 is a prime.

It is a super-2 number, since 2×140360231² = 39401988892746722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140360291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6380000 + ... + 6380021.

It is an arithmetic number, because the mean of its divisors is an integer number (38280066).

Almost surely, 2^140360231 is an apocalyptic number.

140360231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140360231 is a deficient number, since it is larger than the sum of its proper divisors (12760033).

140360231 is a wasteful number, since it uses less digits than its factorization.

140360231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12760032.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 140360231 is about 11847.3723246972. The cubic root of 140360231 is about 519.6943852613.

The spelling of 140360231 in words is "one hundred forty million, three hundred sixty thousand, two hundred thirty-one".