140621369 has 8 divisors (see below), whose sum is σ = 160798848. Its totient is φ = 120466080.

The previous prime is 140621359. The next prime is 140621389. The reversal of 140621369 is 963126041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-140621369 is a prime.

It is a super-2 number, since 2×140621369² = 39548738838868322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140621359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11564 + ... + 20370.

It is an arithmetic number, because the mean of its divisors is an integer number (20099856).

Almost surely, 2^140621369 is an apocalyptic number.

It is an amenable number.

140621369 is a deficient number, since it is larger than the sum of its proper divisors (20177479).

140621369 is an equidigital number, since it uses as much as digits as its factorization.

140621369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11095.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 140621369 is about 11858.3881282407. The cubic root of 140621369 is about 520.0164800004.

The spelling of 140621369 in words is "one hundred forty million, six hundred twenty-one thousand, three hundred sixty-nine".