537173139 has 4 divisors (see below), whose sum is σ = 716230856. Its totient is φ = 358115424.

The previous prime is 537173101. The next prime is 537173159. The reversal of 537173139 is 931371735.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 537173139 - 2¹¹ = 537171091 is a prime.

It is a super-2 number, since 2×537173139² = 577109962526226642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 537173097 and 537173106.

It is not an unprimeable number, because it can be changed into a prime (537173159) 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, 89528854 + ... + 89528859.

It is an arithmetic number, because the mean of its divisors is an integer number (179057714).

Almost surely, 2^537173139 is an apocalyptic number.

537173139 is a deficient number, since it is larger than the sum of its proper divisors (179057717).

537173139 is a wasteful number, since it uses less digits than its factorization.

537173139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179057716.

The product of its digits is 59535, while the sum is 39.

The square root of 537173139 is about 23176.9959011085. The cubic root of 537173139 is about 812.9018201513.

The spelling of 537173139 in words is "five hundred thirty-seven million, one hundred seventy-three thousand, one hundred thirty-nine".