342643137 has 4 divisors (see below), whose sum is σ = 456857520. Its totient is φ = 228428756.

The previous prime is 342643127. The next prime is 342643141. The reversal of 342643137 is 731346243.

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 a cyclic number.

It is not a de Polignac number, because 342643137 - 2⁶ = 342643073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342643098 and 342643107.

It is not an unprimeable number, because it can be changed into a prime (342643127) 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, 57107187 + ... + 57107192.

It is an arithmetic number, because the mean of its divisors is an integer number (114214380).

Almost surely, 2^342643137 is an apocalyptic number.

It is an amenable number.

342643137 is a deficient number, since it is larger than the sum of its proper divisors (114214383).

342643137 is a wasteful number, since it uses less digits than its factorization.

342643137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114214382.

The product of its digits is 36288, while the sum is 33.

The square root of 342643137 is about 18510.6222747913. The cubic root of 342643137 is about 699.7571518138.

It can be divided in two parts, 34264 and 3137, that added together give a triangular number (37401 = T₂₇₃).

The spelling of 342643137 in words is "three hundred forty-two million, six hundred forty-three thousand, one hundred thirty-seven".