142061131 has 8 divisors (see below), whose sum is σ = 146428128. Its totient is φ = 137760000.

The previous prime is 142061123. The next prime is 142061137. The reversal of 142061131 is 131160241.

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

It is a cyclic number.

It is not a de Polignac number, because 142061131 - 2³ = 142061123 is a prime.

It is a super-2 number, since 2×142061131² = 40362729881998322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142061099 and 142061108.

It is not an unprimeable number, because it can be changed into a prime (142061137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12070 + ... + 20731.

It is an arithmetic number, because the mean of its divisors is an integer number (18303516).

Almost surely, 2^142061131 is an apocalyptic number.

142061131 is a deficient number, since it is larger than the sum of its proper divisors (4366997).

142061131 is an equidigital number, since it uses as much as digits as its factorization.

142061131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32933.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 142061131 is about 11918.9400115950. The cubic root of 142061131 is about 521.7851993214.

The spelling of 142061131 in words is "one hundred forty-two million, sixty-one thousand, one hundred thirty-one".