551140135 has 32 divisors (see below), whose sum is σ = 815980032. Its totient is φ = 348001920.

The previous prime is 551140067. The next prime is 551140171. The reversal of 551140135 is 531041155.

It is a happy number.

It is not a de Polignac number, because 551140135 - 2⁹ = 551139623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222172 + ... + 224638.

It is an arithmetic number, because the mean of its divisors is an integer number (25499376).

Almost surely, 2^551140135 is an apocalyptic number.

551140135 is a deficient number, since it is larger than the sum of its proper divisors (264839897).

551140135 is a wasteful number, since it uses less digits than its factorization.

551140135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 551140135 is about 23476.3739747006. The cubic root of 551140135 is about 819.8870234001.

The spelling of 551140135 in words is "five hundred fifty-one million, one hundred forty thousand, one hundred thirty-five".