657142094 has 32 divisors (see below), whose sum is σ = 1187443200. Its totient is φ = 266444640.

The previous prime is 657142093. The next prime is 657142127. The reversal of 657142094 is 490241756.

657142094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657142093) 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, 283199 + ... + 285509.

It is an arithmetic number, because the mean of its divisors is an integer number (37107600).

Almost surely, 2^657142094 is an apocalyptic number.

657142094 is a deficient number, since it is larger than the sum of its proper divisors (530301106).

657142094 is a wasteful number, since it uses less digits than its factorization.

657142094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 657142094 is about 25634.7828935609. The cubic root of 657142094 is about 869.4002534061.

The spelling of 657142094 in words is "six hundred fifty-seven million, one hundred forty-two thousand, ninety-four".