142005130 has 8 divisors (see below), whose sum is σ = 255609252. Its totient is φ = 56802048.

The previous prime is 142005103. The next prime is 142005137. The reversal of 142005130 is 31500241.

142005130 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132227001 + 9778129 = 11499^2 + 3127^2 .

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 (142005137) 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, 7100247 + ... + 7100266.

Almost surely, 2^142005130 is an apocalyptic number.

142005130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142005130 is a deficient number, since it is larger than the sum of its proper divisors (113604122).

142005130 is a wasteful number, since it uses less digits than its factorization.

142005130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14200520.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 142005130 is about 11916.5905358874. The cubic root of 142005130 is about 521.7166271202.

Adding to 142005130 its reverse (31500241), we get a palindrome (173505371).

The spelling of 142005130 in words is "one hundred forty-two million, five thousand, one hundred thirty".