270138154 has 32 divisors (see below), whose sum is σ = 491420160. Its totient is φ = 109684800.

The previous prime is 270138149. The next prime is 270138157. The reversal of 270138154 is 451831072.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (270138157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6369 + ... + 24100.

It is an arithmetic number, because the mean of its divisors is an integer number (15356880).

Almost surely, 2^270138154 is an apocalyptic number.

270138154 is a deficient number, since it is larger than the sum of its proper divisors (221282006).

270138154 is a wasteful number, since it uses less digits than its factorization.

270138154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30526.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 270138154 is about 16435.8800798740. The cubic root of 270138154 is about 646.4406266460.

The spelling of 270138154 in words is "two hundred seventy million, one hundred thirty-eight thousand, one hundred fifty-four".