6700138 has 16 divisors (see below), whose sum is σ = 10410120. Its totient is φ = 3232000.

The previous prime is 6700129. The next prime is 6700147. The reversal of 6700138 is 8310076.

It is an interprime number because it is at equal distance from previous prime (6700129) and next prime (6700147).

It can be written as a sum of positive squares in 4 ways, for example, as 6517809 + 182329 = 2553^2 + 427^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7878 + ... + 8686.

Almost surely, 2^6700138 is an apocalyptic number.

6700138 is a deficient number, since it is larger than the sum of its proper divisors (3709982).

6700138 is a wasteful number, since it uses less digits than its factorization.

6700138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 6700138 is about 2588.4624779973. The cubic root of 6700138 is about 188.5216574121.

The spelling of 6700138 in words is "six million, seven hundred thousand, one hundred thirty-eight".