142071734 has 8 divisors (see below), whose sum is σ = 243551568. Its totient is φ = 60887880.

The previous prime is 142071731. The next prime is 142071757. The reversal of 142071734 is 437170241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142071697 and 142071706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142071731) 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, 5073977 + ... + 5074004.

It is an arithmetic number, because the mean of its divisors is an integer number (30443946).

Almost surely, 2^142071734 is an apocalyptic number.

142071734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142071734 is a deficient number, since it is larger than the sum of its proper divisors (101479834).

142071734 is a wasteful number, since it uses less digits than its factorization.

142071734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147990.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 142071734 is about 11919.3847995608. The cubic root of 142071734 is about 521.7981804721.

The spelling of 142071734 in words is "one hundred forty-two million, seventy-one thousand, seven hundred thirty-four".