142634131 has 8 divisors (see below), whose sum is σ = 155896704. Its totient is φ = 129912960.

The previous prime is 142634117. The next prime is 142634213. The reversal of 142634131 is 131436241.

142634131 = T₃₀₁₈ + T₃₀₁₉ + ... + T₃₀₄₈.

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 142634131 - 2⁵ = 142634099 is a prime.

It is a super-2 number, since 2×142634131² = 40688990652250322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142634096 and 142634105.

It is not an unprimeable number, because it can be changed into a prime (142634111) 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, 134800 + ... + 135853.

It is an arithmetic number, because the mean of its divisors is an integer number (19487088).

Almost surely, 2^142634131 is an apocalyptic number.

142634131 is a deficient number, since it is larger than the sum of its proper divisors (13262573).

142634131 is a wasteful number, since it uses less digits than its factorization.

142634131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270701.

The product of its digits is 1728, while the sum is 25.

The square root of 142634131 is about 11942.9531942481. The cubic root of 142634131 is about 522.4857940477.

The spelling of 142634131 in words is "one hundred forty-two million, six hundred thirty-four thousand, one hundred thirty-one".