2135429670 has 96 divisors (see below), whose sum is σ = 5939433216. Its totient is φ = 487206400.

The previous prime is 2135429663. The next prime is 2135429671. The reversal of 2135429670 is 769245312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135429671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84175 + ... + 106565.

It is an arithmetic number, because the mean of its divisors is an integer number (61869096).

Almost surely, 2^2135429670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135429670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2969716608).

2135429670 is an abundant number, since it is smaller than the sum of its proper divisors (3804003546).

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

2135429670 is a wasteful number, since it uses less digits than its factorization.

2135429670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22446 (or 22429 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2135429670 is about 46210.7094730215. The cubic root of 2135429670 is about 1287.7407061818.

The spelling of 2135429670 in words is "two billion, one hundred thirty-five million, four hundred twenty-nine thousand, six hundred seventy".