139626283 has 2 divisors, whose sum is σ = 139626284. Its totient is φ = 139626282.

The previous prime is 139626281. The next prime is 139626299. The reversal of 139626283 is 382626931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139626283 - 2¹ = 139626281 is a prime.

Together with 139626281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (139626281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69813141 + 69813142.

It is an arithmetic number, because the mean of its divisors is an integer number (69813142).

Almost surely, 2^139626283 is an apocalyptic number.

139626283 is a deficient number, since it is larger than the sum of its proper divisors (1).

139626283 is an equidigital number, since it uses as much as digits as its factorization.

139626283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 139626283 is about 11816.3565873750. The cubic root of 139626283 is about 518.7869690980.

The spelling of 139626283 in words is "one hundred thirty-nine million, six hundred twenty-six thousand, two hundred eighty-three".