270129400 has 24 divisors (see below), whose sum is σ = 628051320. Its totient is φ = 108051680.

The previous prime is 270129389. The next prime is 270129407. The reversal of 270129400 is 4921072.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270129407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675124 + ... + 675523.

It is an arithmetic number, because the mean of its divisors is an integer number (26168805).

Almost surely, 2^270129400 is an apocalyptic number.

270129400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270129400 is an abundant number, since it is smaller than the sum of its proper divisors (357921920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

270129400 is a wasteful number, since it uses less digits than its factorization.

270129400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350663 (or 1350654 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 270129400 is about 16435.6137701030. The cubic root of 270129400 is about 646.4336437963.

The spelling of 270129400 in words is "two hundred seventy million, one hundred twenty-nine thousand, four hundred".