139489355 has 16 divisors (see below), whose sum is σ = 176760480. Its totient is φ = 105380352.

The previous prime is 139489331. The next prime is 139489379. The reversal of 139489355 is 553984931.

It is an interprime number because it is at equal distance from previous prime (139489331) and next prime (139489379).

It is a cyclic number.

It is not a de Polignac number, because 139489355 - 2⁸ = 139489099 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29837 + ... + 34193.

It is an arithmetic number, because the mean of its divisors is an integer number (11047530).

Almost surely, 2^139489355 is an apocalyptic number.

139489355 is a deficient number, since it is larger than the sum of its proper divisors (37271125).

139489355 is a wasteful number, since it uses less digits than its factorization.

139489355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718.

The product of its digits is 583200, while the sum is 47.

The square root of 139489355 is about 11810.5611636366. The cubic root of 139489355 is about 518.6173265005.

The spelling of 139489355 in words is "one hundred thirty-nine million, four hundred eighty-nine thousand, three hundred fifty-five".