2070138144 has 48 divisors (see below), whose sum is σ = 5753770848. Its totient is φ = 649454592.

The previous prime is 2070138143. The next prime is 2070138157. The reversal of 2070138144 is 4418310702.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2070138143) 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, 632602 + ... + 635865.

It is an arithmetic number, because the mean of its divisors is an integer number (119870226).

Almost surely, 2^2070138144 is an apocalyptic number.

2070138144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2070138144 is an abundant number, since it is smaller than the sum of its proper divisors (3683632704).

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

2070138144 is a wasteful number, since it uses less digits than its factorization.

2070138144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268497 (or 1268489 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2070138144 is about 45498.7707965831. The cubic root of 2070138144 is about 1274.4802482836.

Adding to 2070138144 its reverse (4418310702), we get a palindrome (6488448846).

The spelling of 2070138144 in words is "two billion, seventy million, one hundred thirty-eight thousand, one hundred forty-four".