140747347 has 16 divisors (see below), whose sum is σ = 158699520. Its totient is φ = 123933600.

The previous prime is 140747329. The next prime is 140747381. The reversal of 140747347 is 743747041.

It is a cyclic number.

It is not a de Polignac number, because 140747347 - 2¹⁵ = 140714579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140747147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26154 + ... + 31072.

It is an arithmetic number, because the mean of its divisors is an integer number (9918720).

Almost surely, 2^140747347 is an apocalyptic number.

140747347 is a deficient number, since it is larger than the sum of its proper divisors (17952173).

140747347 is a wasteful number, since it uses less digits than its factorization.

140747347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 140747347 is about 11863.6987065586. The cubic root of 140747347 is about 520.1717221313.

The spelling of 140747347 in words is "one hundred forty million, seven hundred forty-seven thousand, three hundred forty-seven".