2135631270 has 32 divisors (see below), whose sum is σ = 5131231488. Its totient is φ = 568866528.

The previous prime is 2135631257. The next prime is 2135631283. The reversal of 2135631270 is 721365312.

It is an interprime number because it is at equal distance from previous prime (2135631257) and next prime (2135631283).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12034 + ... + 66453.

It is an arithmetic number, because the mean of its divisors is an integer number (160350984).

Almost surely, 2^2135631270 is an apocalyptic number.

2135631270 is an abundant number, since it is smaller than the sum of its proper divisors (2995600218).

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

2135631270 is a wasteful number, since it uses less digits than its factorization.

2135631270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79404.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2135631270 is about 46212.8907340798. The cubic root of 2135631270 is about 1287.7812289176.

Adding to 2135631270 its reverse (721365312), we get a palindrome (2856996582).

The spelling of 2135631270 in words is "two billion, one hundred thirty-five million, six hundred thirty-one thousand, two hundred seventy".