142607394 has 24 divisors (see below), whose sum is σ = 309703680. Its totient is φ = 47424888.

The previous prime is 142607359. The next prime is 142607431. The reversal of 142607394 is 493706241.

142607394 is a `hidden beast` number, since 1 + 4 + 260 + 7 + 394 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122 + ... + 16925.

It is an arithmetic number, because the mean of its divisors is an integer number (12904320).

Almost surely, 2^142607394 is an apocalyptic number.

142607394 is an abundant number, since it is smaller than the sum of its proper divisors (167096286).

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

142607394 is a wasteful number, since it uses less digits than its factorization.

142607394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18494 (or 18491 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 142607394 is about 11941.8337787795. The cubic root of 142607394 is about 522.4531450700.

The spelling of 142607394 in words is "one hundred forty-two million, six hundred seven thousand, three hundred ninety-four".