2170062138 has 32 divisors (see below), whose sum is σ = 4605367104. Its totient is φ = 679331072.

The previous prime is 2170062137. The next prime is 2170062163. The reversal of 2170062138 is 8312600712.

It is a super-2 number, since 2×2170062138² = 9418339365562262088, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2170062131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24856 + ... + 70412.

It is an arithmetic number, because the mean of its divisors is an integer number (143917722).

Almost surely, 2^2170062138 is an apocalyptic number.

2170062138 is an abundant number, since it is smaller than the sum of its proper divisors (2435304966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2170062138 is a wasteful number, since it uses less digits than its factorization.

2170062138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46046.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2170062138 is about 46583.9257469784. The cubic root of 2170062138 is about 1294.6649477313.

It can be divided in two parts, 21700 and 62138, that added together give a palindrome (83838).

The spelling of 2170062138 in words is "two billion, one hundred seventy million, sixty-two thousand, one hundred thirty-eight".