142013570 has 8 divisors (see below), whose sum is σ = 255624444. Its totient is φ = 56805424.

The previous prime is 142013549. The next prime is 142013591. The reversal of 142013570 is 75310241.

It is an interprime number because it is at equal distance from previous prime (142013549) and next prime (142013591).

It can be written as a sum of positive squares in 2 ways, for example, as 118091689 + 23921881 = 10867^2 + 4891^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7100669 + ... + 7100688.

Almost surely, 2^142013570 is an apocalyptic number.

142013570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142013570 is a deficient number, since it is larger than the sum of its proper divisors (113610874).

142013570 is a wasteful number, since it uses less digits than its factorization.

142013570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14201364.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 142013570 is about 11916.9446587622. The cubic root of 142013570 is about 521.7269628996.

It can be divided in two parts, 14201 and 3570, that added together give a palindrome (17771).

The spelling of 142013570 in words is "one hundred forty-two million, thirteen thousand, five hundred seventy".