2154756133 has 2 divisors, whose sum is σ = 2154756134. Its totient is φ = 2154756132.

The previous prime is 2154756089. The next prime is 2154756167. The reversal of 2154756133 is 3316574512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1584597249 + 570158884 = 39807^2 + 23878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154756133 - 2²⁹ = 1617885221 is a prime.

It is a super-2 number, since 2×2154756133² = 9285947985402227378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2154756092 and 2154756101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154756193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077378066 + 1077378067.

It is an arithmetic number, because the mean of its divisors is an integer number (1077378067).

Almost surely, 2^2154756133 is an apocalyptic number.

It is an amenable number.

2154756133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154756133 is an equidigital number, since it uses as much as digits as its factorization.

2154756133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 2154756133 is about 46419.3508463873. The cubic root of 2154756133 is about 1291.6138951529.

The spelling of 2154756133 in words is "two billion, one hundred fifty-four million, seven hundred fifty-six thousand, one hundred thirty-three".