2135266947 has 32 divisors (see below), whose sum is σ = 3454364160. Its totient is φ = 1292816160.

The previous prime is 2135266943. The next prime is 2135266951. The reversal of 2135266947 is 7496625312.

2135266947 is a `hidden beast` number, since 21 + 3 + 526 + 69 + 47 = 666.

It is an interprime number because it is at equal distance from previous prime (2135266943) and next prime (2135266951).

It is not a de Polignac number, because 2135266947 - 2² = 2135266943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135266943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357298 + ... + 363224.

It is an arithmetic number, because the mean of its divisors is an integer number (107948880).

Almost surely, 2^2135266947 is an apocalyptic number.

2135266947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2135266947 is a deficient number, since it is larger than the sum of its proper divisors (1319097213).

2135266947 is a wasteful number, since it uses less digits than its factorization.

2135266947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160 (or 7154 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 2135266947 is about 46208.9487761840. The cubic root of 2135266947 is about 1287.7079960818.

The spelling of 2135266947 in words is "two billion, one hundred thirty-five million, two hundred sixty-six thousand, nine hundred forty-seven".