139057963 has 8 divisors (see below), whose sum is σ = 152792640. Its totient is φ = 125505480.

The previous prime is 139057957. The next prime is 139057969. The reversal of 139057963 is 369750931.

It is a happy number.

139057963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139057957) and next prime (139057969).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139057963 - 2¹⁷ = 138926891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139057969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43945 + ... + 47002.

It is an arithmetic number, because the mean of its divisors is an integer number (19099080).

Almost surely, 2^139057963 is an apocalyptic number.

139057963 is a deficient number, since it is larger than the sum of its proper divisors (13734677).

139057963 is a wasteful number, since it uses less digits than its factorization.

139057963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91097.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 139057963 is about 11792.2840450864. The cubic root of 139057963 is about 518.0821401423.

The spelling of 139057963 in words is "one hundred thirty-nine million, fifty-seven thousand, nine hundred sixty-three".