140697413 has 4 divisors (see below), whose sum is σ = 148102560. Its totient is φ = 133292268.

The previous prime is 140697409. The next prime is 140697439. The reversal of 140697413 is 314796041.

140697413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140697413 - 2² = 140697409 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 (140697913) 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, 3702545 + ... + 3702582.

It is an arithmetic number, because the mean of its divisors is an integer number (37025640).

Almost surely, 2^140697413 is an apocalyptic number.

It is an amenable number.

140697413 is a deficient number, since it is larger than the sum of its proper divisors (7405147).

140697413 is an equidigital number, since it uses as much as digits as its factorization.

140697413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405146.

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

The square root of 140697413 is about 11861.5940328440. The cubic root of 140697413 is about 520.1101997708.

The spelling of 140697413 in words is "one hundred forty million, six hundred ninety-seven thousand, four hundred thirteen".