140361749 has 8 divisors (see below), whose sum is σ = 155061120. Its totient is φ = 125985600.

The previous prime is 140361743. The next prime is 140361751. The reversal of 140361749 is 947163041.

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 140361749 - 2¹² = 140357653 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 (140361743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79892 + ... + 81629.

It is an arithmetic number, because the mean of its divisors is an integer number (19382640).

Almost surely, 2^140361749 is an apocalyptic number.

It is an amenable number.

140361749 is a deficient number, since it is larger than the sum of its proper divisors (14699371).

140361749 is a wasteful number, since it uses less digits than its factorization.

140361749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161611.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 140361749 is about 11847.4363893629. The cubic root of 140361749 is about 519.6962587579.

The spelling of 140361749 in words is "one hundred forty million, three hundred sixty-one thousand, seven hundred forty-nine".