27015142 has 48 divisors (see below), whose sum is σ = 53756928. Its totient is φ = 9889920.

The previous prime is 27015119. The next prime is 27015151. The reversal of 27015142 is 24151072.

27015142 = 129² + 130² + ... + 436².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44203 + ... + 44809.

It is an arithmetic number, because the mean of its divisors is an integer number (1119936).

Almost surely, 2^27015142 is an apocalyptic number.

27015142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27015142 is a deficient number, since it is larger than the sum of its proper divisors (26741786).

27015142 is a wasteful number, since it uses less digits than its factorization.

27015142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 27015142 is about 5197.6092581109. The cubic root of 27015142 is about 300.0560710010.

The spelling of 27015142 in words is "twenty-seven million, fifteen thousand, one hundred forty-two".