142929936 has 120 divisors (see below), whose sum is σ = 420035616. Its totient is φ = 45319680.

The previous prime is 142929929. The next prime is 142929937. The reversal of 142929936 is 639929241.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142929891 and 142929900.

It is not an unprimeable number, because it can be changed into a prime (142929937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253591 + ... + 254153.

Almost surely, 2^142929936 is an apocalyptic number.

142929936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142929936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210017808).

142929936 is an abundant number, since it is smaller than the sum of its proper divisors (277105680).

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

142929936 is a wasteful number, since it uses less digits than its factorization.

142929936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 652 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 142929936 is about 11955.3308611682. The cubic root of 142929936 is about 522.8467342856.

The spelling of 142929936 in words is "one hundred forty-two million, nine hundred twenty-nine thousand, nine hundred thirty-six".