2154134136610 has 64 divisors (see below), whose sum is σ = 4004400631392. Its totient is φ = 833703100416.

The previous prime is 2154134136599. The next prime is 2154134136611. The reversal of 2154134136610 is 166314314512.

It can be written as a sum of positive squares in 16 ways, for example, as 1248719086521 + 905415050089 = 1117461^2 + 951533^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 2154134136610.

It is not an unprimeable number, because it can be changed into a prime (2154134136611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286564572 + ... + 286572088.

Almost surely, 2^{2154134136610} is an apocalyptic number.

2154134136610 is a deficient number, since it is larger than the sum of its proper divisors (1850266494782).

2154134136610 is a wasteful number, since it uses less digits than its factorization.

2154134136610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11767.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 2154134136610 in words is "two trillion, one hundred fifty-four billion, one hundred thirty-four million, one hundred thirty-six thousand, six hundred ten".