137620342 has 8 divisors (see below), whose sum is σ = 207135936. Its totient is φ = 68575032.

The previous prime is 137620337. The next prime is 137620349. The reversal of 137620342 is 243026731.

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

It is a super-4 number, since 4×137620342⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137620342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137620349) 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, 116838 + ... + 118009.

It is an arithmetic number, because the mean of its divisors is an integer number (25891992).

Almost surely, 2^137620342 is an apocalyptic number.

137620342 is a deficient number, since it is larger than the sum of its proper divisors (69515594).

137620342 is a wasteful number, since it uses less digits than its factorization.

137620342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235142.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 137620342 is about 11731.1696774022. The cubic root of 137620342 is about 516.2905915823.

The spelling of 137620342 in words is "one hundred thirty-seven million, six hundred twenty thousand, three hundred forty-two".