1439226087 has 16 divisors (see below), whose sum is σ = 2070431328. Its totient is φ = 884027520.

The previous prime is 1439226083. The next prime is 1439226101. The reversal of 1439226087 is 7806229341.

It is not a de Polignac number, because 1439226087 - 2² = 1439226083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439226083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13008 + ... + 55205.

It is an arithmetic number, because the mean of its divisors is an integer number (129401958).

Almost surely, 2^1439226087 is an apocalyptic number.

1439226087 is a deficient number, since it is larger than the sum of its proper divisors (631205241).

1439226087 is a wasteful number, since it uses less digits than its factorization.

1439226087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68770.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1439226087 is about 37937.1333524293. The cubic root of 1439226087 is about 1129.0408984006.

The spelling of 1439226087 in words is "one billion, four hundred thirty-nine million, two hundred twenty-six thousand, eighty-seven".