142090738 has 8 divisors (see below), whose sum is σ = 216138240. Its totient is φ = 70044660.

The previous prime is 142090733. The next prime is 142090769. The reversal of 142090738 is 837090241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142090733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500178 + ... + 500461.

It is an arithmetic number, because the mean of its divisors is an integer number (27017280).

Almost surely, 2^142090738 is an apocalyptic number.

142090738 is a deficient number, since it is larger than the sum of its proper divisors (74047502).

142090738 is a wasteful number, since it uses less digits than its factorization.

142090738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000712.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 142090738 is about 11920.1819616984. The cubic root of 142090738 is about 521.8214452699.

The spelling of 142090738 in words is "one hundred forty-two million, ninety thousand, seven hundred thirty-eight".