140815049 has 2 divisors, whose sum is σ = 140815050. Its totient is φ = 140815048.

The previous prime is 140814967. The next prime is 140815069. The reversal of 140815049 is 940518041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128981449 + 11833600 = 11357^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 140815049 - 2¹² = 140810953 is a prime.

It is not a weakly prime, because it can be changed into another prime (140815069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70407524 + 70407525.

It is an arithmetic number, because the mean of its divisors is an integer number (70407525).

Almost surely, 2^140815049 is an apocalyptic number.

It is an amenable number.

140815049 is a deficient number, since it is larger than the sum of its proper divisors (1).

140815049 is an equidigital number, since it uses as much as digits as its factorization.

140815049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 140815049 is about 11866.5516895179. The cubic root of 140815049 is about 520.2551127400.

The spelling of 140815049 in words is "one hundred forty million, eight hundred fifteen thousand, forty-nine".