183135211249 has 9 divisors (see below), whose sum is σ = 185516969547. Its totient is φ = 180783664464.

The previous prime is 183135211183. The next prime is 183135211253. The reversal of 183135211249 is 942112531381.

The square root of 183135211249 is 427943.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14897423025 + 168237788224 = 122055^2 + 410168^2 .

It is not a de Polignac number, because 183135211249 - 2¹³ = 183135203057 is a prime.

It is a super-2 number, since 2×183135211249² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (183135211349) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33804789 + ... + 33810205.

Almost surely, 2^183135211249 is an apocalyptic number.

183135211249 is the 427943-rd square number.

183135211249 is the 213972-nd centered octagonal number.

It is an amenable number.

183135211249 is a deficient number, since it is larger than the sum of its proper divisors (2381758298).

183135211249 is an frugal number, since it uses more digits than its factorization.

183135211249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992 (or 5496 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

It can be divided in two parts, 183135 and 211249, that added together give a square (394384 = 628²).

The spelling of 183135211249 in words is "one hundred eighty-three billion, one hundred thirty-five million, two hundred eleven thousand, two hundred forty-nine".