5405342187 has 64 divisors (see below), whose sum is σ = 8756264960. Its totient is φ = 2901225600.

The previous prime is 5405342149. The next prime is 5405342197. The reversal of 5405342187 is 7812435045.

It is not a de Polignac number, because 5405342187 - 2²⁴ = 5388564971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5405342197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3136308 + ... + 3138030.

It is an arithmetic number, because the mean of its divisors is an integer number (136816640).

Almost surely, 2^5405342187 is an apocalyptic number.

5405342187 is a deficient number, since it is larger than the sum of its proper divisors (3350922773).

5405342187 is a wasteful number, since it uses less digits than its factorization.

5405342187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 5405342187 is about 73521.0322764853. The cubic root of 5405342187 is about 1754.9889948255.

The spelling of 5405342187 in words is "five billion, four hundred five million, three hundred forty-two thousand, one hundred eighty-seven".