308572134 has 32 divisors (see below), whose sum is σ = 703715040. Its totient is φ = 89359872.

The previous prime is 308572129. The next prime is 308572153. The reversal of 308572134 is 431275803.

It is a junction number, because it is equal to n+sod(n) for n = 308572095 and 308572104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115029 + ... + 117680.

It is an arithmetic number, because the mean of its divisors is an integer number (21991095).

Almost surely, 2^308572134 is an apocalyptic number.

308572134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

308572134 is an abundant number, since it is smaller than the sum of its proper divisors (395142906).

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

308572134 is a wasteful number, since it uses less digits than its factorization.

308572134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232744.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 308572134 is about 17566.2213922061. The cubic root of 308572134 is about 675.7492432113.

The spelling of 308572134 in words is "three hundred eight million, five hundred seventy-two thousand, one hundred thirty-four".