46831139 has 2 divisors, whose sum is σ = 46831140. Its totient is φ = 46831138.

The previous prime is 46831133. The next prime is 46831153. The reversal of 46831139 is 93113864.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46831139 - 2²⁰ = 45782563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46831099 and 46831108.

It is not a weakly prime, because it can be changed into another prime (46831133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23415569 + 23415570.

It is an arithmetic number, because the mean of its divisors is an integer number (23415570).

Almost surely, 2^46831139 is an apocalyptic number.

46831139 is a deficient number, since it is larger than the sum of its proper divisors (1).

46831139 is an equidigital number, since it uses as much as digits as its factorization.

46831139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 46831139 is about 6843.3280646189. The cubic root of 46831139 is about 360.4498979119.

The spelling of 46831139 in words is "forty-six million, eight hundred thirty-one thousand, one hundred thirty-nine".