2135191550 has 24 divisors (see below), whose sum is σ = 3989286336. Its totient is φ = 850242240.

The previous prime is 2135191547. The next prime is 2135191571. The reversal of 2135191550 is 551915312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84599 + ... + 106898.

It is an arithmetic number, because the mean of its divisors is an integer number (166220264).

Almost surely, 2^2135191550 is an apocalyptic number.

2135191550 is a deficient number, since it is larger than the sum of its proper divisors (1854094786).

2135191550 is a wasteful number, since it uses less digits than its factorization.

2135191550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191732 (or 191727 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 2135191550 is about 46208.1329421564. The cubic root of 2135191550 is about 1287.6928394348.

The spelling of 2135191550 in words is "two billion, one hundred thirty-five million, one hundred ninety-one thousand, five hundred fifty".