142736904 has 80 divisors (see below), whose sum is σ = 402494400. Its totient is φ = 47258208.

The previous prime is 142736903. The next prime is 142736921. The reversal of 142736904 is 409637241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142736903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107557 + ... + 108875.

It is an arithmetic number, because the mean of its divisors is an integer number (5031180).

Almost surely, 2^142736904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142736904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201247200).

142736904 is an abundant number, since it is smaller than the sum of its proper divisors (259757496).

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

142736904 is a wasteful number, since it uses less digits than its factorization.

142736904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1491 counting only the distinct ones).

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

The square root of 142736904 is about 11947.2550822354. The cubic root of 142736904 is about 522.6112538291.

The spelling of 142736904 in words is "one hundred forty-two million, seven hundred thirty-six thousand, nine hundred four".