140361165 has 48 divisors (see below), whose sum is σ = 285587328. Its totient is φ = 62425728.

The previous prime is 140361139. The next prime is 140361167. The reversal of 140361165 is 561163041.

140361165 is a `hidden beast` number, since 1 + 40 + 3 + 611 + 6 + 5 = 666.

It is not a de Polignac number, because 140361165 - 2⁶ = 140361101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140361167) 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 47 ways as a sum of consecutive naturals, for example, 5634 + ... + 17676.

It is an arithmetic number, because the mean of its divisors is an integer number (5949736).

Almost surely, 2^140361165 is an apocalyptic number.

140361165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140361165 is an abundant number, since it is smaller than the sum of its proper divisors (145226163).

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

140361165 is a wasteful number, since it uses less digits than its factorization.

140361165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098 (or 12095 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 140361165 is about 11847.4117426550. The cubic root of 140361165 is about 519.6955379940.

The spelling of 140361165 in words is "one hundred forty million, three hundred sixty-one thousand, one hundred sixty-five".