2148532135 has 24 divisors (see below), whose sum is σ = 2677802400. Its totient is φ = 1654843008.

The previous prime is 2148532123. The next prime is 2148532147. The reversal of 2148532135 is 5312358412.

It is an interprime number because it is at equal distance from previous prime (2148532123) and next prime (2148532147).

It is not a de Polignac number, because 2148532135 - 2⁷ = 2148532007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2148532135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2518369 + ... + 2519221.

It is an arithmetic number, because the mean of its divisors is an integer number (111575100).

Almost surely, 2^2148532135 is an apocalyptic number.

2148532135 is a deficient number, since it is larger than the sum of its proper divisors (529270265).

2148532135 is an equidigital number, since it uses as much as digits as its factorization.

2148532135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1486 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 2148532135 is about 46352.2613795703. The cubic root of 2148532135 is about 1290.3690899485.

The spelling of 2148532135 in words is "two billion, one hundred forty-eight million, five hundred thirty-two thousand, one hundred thirty-five".