5400149 has 4 divisors (see below), whose sum is σ = 5404800. Its totient is φ = 5395500.

The previous prime is 5400137. The next prime is 5400209. The reversal of 5400149 is 9410045.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9410045 = 5 ⋅1882009.

It is a cyclic number.

It is not a de Polignac number, because 5400149 - 2²⁰ = 4351573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052 + ... + 3450.

It is an arithmetic number, because the mean of its divisors is an integer number (1351200).

Almost surely, 2^5400149 is an apocalyptic number.

It is an amenable number.

5400149 is a deficient number, since it is larger than the sum of its proper divisors (4651).

5400149 is a wasteful number, since it uses less digits than its factorization.

5400149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5400149 is about 2323.8220671988. The cubic root of 5400149 is about 175.4426779025.

The spelling of 5400149 in words is "five million, four hundred thousand, one hundred forty-nine".