140415349 has 2 divisors, whose sum is σ = 140415350. Its totient is φ = 140415348.

The previous prime is 140415343. The next prime is 140415383. The reversal of 140415349 is 943514041.

140415349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125283249 + 15132100 = 11193^2 + 3890^2 .

It is a cyclic number.

It is not a de Polignac number, because 140415349 - 2¹⁵ = 140382581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140415349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140415343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70207674 + 70207675.

It is an arithmetic number, because the mean of its divisors is an integer number (70207675).

Almost surely, 2^140415349 is an apocalyptic number.

It is an amenable number.

140415349 is a deficient number, since it is larger than the sum of its proper divisors (1).

140415349 is an equidigital number, since it uses as much as digits as its factorization.

140415349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 140415349 is about 11849.6982662007. The cubic root of 140415349 is about 519.7624025486.

The spelling of 140415349 in words is "one hundred forty million, four hundred fifteen thousand, three hundred forty-nine".