963139 has 4 divisors (see below), whose sum is σ = 994240. Its totient is φ = 932040.

The previous prime is 963121. The next prime is 963143. The reversal of 963139 is 931369.

963139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931369 = 53 ⋅17573.

It is a cyclic number.

It is not a de Polignac number, because 963139 - 2⁹ = 962627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 31069 = 963139 / (9 + 6 + 3 + 1 + 3 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 963139.

It is not an unprimeable number, because it can be changed into a prime (963239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15504 + ... + 15565.

It is an arithmetic number, because the mean of its divisors is an integer number (248560).

2⁹⁶³¹³⁹ is an apocalyptic number.

963139 is a deficient number, since it is larger than the sum of its proper divisors (31101).

963139 is a wasteful number, since it uses less digits than its factorization.

963139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31100.

The product of its digits is 4374, while the sum is 31.

The square root of 963139 is about 981.3964540388. The cubic root of 963139 is about 98.7558859922.

The spelling of 963139 in words is "nine hundred sixty-three thousand, one hundred thirty-nine".