270140042 has 4 divisors (see below), whose sum is σ = 405210066. Its totient is φ = 135070020.

The previous prime is 270139999. The next prime is 270140051. The reversal of 270140042 is 240041072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 238115761 + 32024281 = 15431^2 + 5659^2 .

It is a junction number, because it is equal to n+sod(n) for n = 270139996 and 270140023.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67535009 + ... + 67535012.

Almost surely, 2^270140042 is an apocalyptic number.

270140042 is a deficient number, since it is larger than the sum of its proper divisors (135070024).

270140042 is a wasteful number, since it uses less digits than its factorization.

270140042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135070023.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 270140042 is about 16435.9375150917. The cubic root of 270140042 is about 646.4421326372.

The spelling of 270140042 in words is "two hundred seventy million, one hundred forty thousand, forty-two".