142691074 has 16 divisors (see below), whose sum is σ = 217719936. Its totient is φ = 70128000.

The previous prime is 142691069. The next prime is 142691099. The reversal of 142691074 is 470196241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26859 + ... + 31729.

It is an arithmetic number, because the mean of its divisors is an integer number (13607496).

Almost surely, 2^142691074 is an apocalyptic number.

142691074 is a deficient number, since it is larger than the sum of its proper divisors (75028862).

142691074 is a wasteful number, since it uses less digits than its factorization.

142691074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121.

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

The square root of 142691074 is about 11945.3369144616. The cubic root of 142691074 is about 522.5553144586. Note that the first 3 decimals are identical.

The spelling of 142691074 in words is "one hundred forty-two million, six hundred ninety-one thousand, seventy-four".