1018134550 has 96 divisors (see below), whose sum is σ = 2061368064. Its totient is φ = 373248000.

The previous prime is 1018134547. The next prime is 1018134569. The reversal of 1018134550 is 554318101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2351134 + ... + 2351566.

It is an arithmetic number, because the mean of its divisors is an integer number (21472584).

Almost surely, 2^1018134550 is an apocalyptic number.

1018134550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1018134550 is an abundant number, since it is smaller than the sum of its proper divisors (1043233514).

1018134550 is a wasteful number, since it uses less digits than its factorization.

1018134550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1018134550 is about 31908.2207275805. The cubic root of 1018134550 is about 1006.0086735297.

The spelling of 1018134550 in words is "one billion, eighteen million, one hundred thirty-four thousand, five hundred fifty".