139129363 has 2 divisors, whose sum is σ = 139129364. Its totient is φ = 139129362.

The previous prime is 139129357. The next prime is 139129379. The reversal of 139129363 is 363921931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139129363 - 2¹⁷ = 138998291 is a prime.

It is not a weakly prime, because it can be changed into another prime (139129163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69564681 + 69564682.

It is an arithmetic number, because the mean of its divisors is an integer number (69564682).

Almost surely, 2^139129363 is an apocalyptic number.

139129363 is a deficient number, since it is larger than the sum of its proper divisors (1).

139129363 is an equidigital number, since it uses as much as digits as its factorization.

139129363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 37.

The square root of 139129363 is about 11795.3110599085. The cubic root of 139129363 is about 518.1707955843.

The spelling of 139129363 in words is "one hundred thirty-nine million, one hundred twenty-nine thousand, three hundred sixty-three".