1254534400149 has 4 divisors (see below), whose sum is σ = 1672712533536. Its totient is φ = 836356266764.

The previous prime is 1254534400109. The next prime is 1254534400157. The reversal of 1254534400149 is 9410044354521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1254534400149 - 2²⁹ = 1253997529237 is a prime.

It is a super-2 number, since 2×1254534400149² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1254534400149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254534400109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209089066689 + ... + 209089066694.

It is an arithmetic number, because the mean of its divisors is an integer number (418178133384).

Almost surely, 2^{1254534400149} is an apocalyptic number.

It is an amenable number.

1254534400149 is a deficient number, since it is larger than the sum of its proper divisors (418178133387).

1254534400149 is an equidigital number, since it uses as much as digits as its factorization.

1254534400149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418178133386.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 1254534400149 in words is "one trillion, two hundred fifty-four billion, five hundred thirty-four million, four hundred thousand, one hundred forty-nine".