139161063 has 16 divisors (see below), whose sum is σ = 195402240. Its totient is φ = 87921504.

The previous prime is 139161059. The next prime is 139161067. The reversal of 139161063 is 360161931.

It is an interprime number because it is at equal distance from previous prime (139161059) and next prime (139161067).

It is not a de Polignac number, because 139161063 - 2² = 139161059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139161063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139161067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731 + ... + 16772.

It is an arithmetic number, because the mean of its divisors is an integer number (12212640).

Almost surely, 2^139161063 is an apocalyptic number.

139161063 is a deficient number, since it is larger than the sum of its proper divisors (56241177).

139161063 is a wasteful number, since it uses less digits than its factorization.

139161063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18638.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 139161063 is about 11796.6547376788. The cubic root of 139161063 is about 518.2101468913.

The spelling of 139161063 in words is "one hundred thirty-nine million, one hundred sixty-one thousand, sixty-three".