2136929784 has 64 divisors (see below), whose sum is σ = 6170826240. Its totient is φ = 609461760.

The previous prime is 2136929731. The next prime is 2136929807. The reversal of 2136929784 is 4879296312.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233584 + ... + 242559.

It is an arithmetic number, because the mean of its divisors is an integer number (96419160).

Almost surely, 2^2136929784 is an apocalyptic number.

2136929784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2136929784 is an abundant number, since it is smaller than the sum of its proper divisors (4033896456).

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

2136929784 is a wasteful number, since it uses less digits than its factorization.

2136929784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476180 (or 476176 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 2136929784 is about 46226.9378609486. The cubic root of 2136929784 is about 1288.0421764541.

The spelling of 2136929784 in words is "two billion, one hundred thirty-six million, nine hundred twenty-nine thousand, seven hundred eighty-four".