537758138 has 16 divisors (see below), whose sum is σ = 815947776. Its totient is φ = 265784400.

The previous prime is 537758131. The next prime is 537758167. The reversal of 537758138 is 831857735.

It is a junction number, because it is equal to n+sod(n) for n = 537758092 and 537758101.

It is not an unprimeable number, because it can be changed into a prime (537758131) 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, 148295 + ... + 151877.

It is an arithmetic number, because the mean of its divisors is an integer number (50996736).

Almost surely, 2^537758138 is an apocalyptic number.

537758138 is a deficient number, since it is larger than the sum of its proper divisors (278189638).

537758138 is a wasteful number, since it uses less digits than its factorization.

537758138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429.

The product of its digits is 705600, while the sum is 47.

The square root of 537758138 is about 23189.6127177665. The cubic root of 537758138 is about 813.1968052583.

The spelling of 537758138 in words is "five hundred thirty-seven million, seven hundred fifty-eight thousand, one hundred thirty-eight".