142737213 has 4 divisors (see below), whose sum is σ = 190316288. Its totient is φ = 95158140.

The previous prime is 142737211. The next prime is 142737223. The reversal of 142737213 is 312737241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142737213 - 2¹ = 142737211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142737211) 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, 23789533 + ... + 23789538.

It is an arithmetic number, because the mean of its divisors is an integer number (47579072).

Almost surely, 2^142737213 is an apocalyptic number.

It is an amenable number.

142737213 is a deficient number, since it is larger than the sum of its proper divisors (47579075).

142737213 is an equidigital number, since it uses as much as digits as its factorization.

142737213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47579074.

The product of its digits is 7056, while the sum is 30.

The square root of 142737213 is about 11947.2680140692. The cubic root of 142737213 is about 522.6116309489.

The spelling of 142737213 in words is "one hundred forty-two million, seven hundred thirty-seven thousand, two hundred thirteen".