140764349 has 8 divisors (see below), whose sum is σ = 154683648. Its totient is φ = 127032160.

The previous prime is 140764339. The next prime is 140764381. The reversal of 140764349 is 943467041.

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 140764349 - 2²⁰ = 139715773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140764319) 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, 45197 + ... + 48210.

It is an arithmetic number, because the mean of its divisors is an integer number (19335456).

Almost surely, 2^140764349 is an apocalyptic number.

It is an amenable number.

140764349 is a deficient number, since it is larger than the sum of its proper divisors (13919299).

140764349 is a wasteful number, since it uses less digits than its factorization.

140764349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93555.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 140764349 is about 11864.4152405418. The cubic root of 140764349 is about 520.1926665250.

It can be divided in two parts, 1407 and 64349, that added together give a palindrome (65756).

The spelling of 140764349 in words is "one hundred forty million, seven hundred sixty-four thousand, three hundred forty-nine".