137400573 has 8 divisors (see below), whose sum is σ = 188152288. Its totient is φ = 89124624.

The previous prime is 137400569. The next prime is 137400581. The reversal of 137400573 is 375004731.

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

It is not a de Polignac number, because 137400573 - 2² = 137400569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137400573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137400503) 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, 618811 + ... + 619032.

It is an arithmetic number, because the mean of its divisors is an integer number (23519036).

Almost surely, 2^137400573 is an apocalyptic number.

It is an amenable number.

137400573 is a deficient number, since it is larger than the sum of its proper divisors (50751715).

137400573 is a wasteful number, since it uses less digits than its factorization.

137400573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237883.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 137400573 is about 11721.7990513402. The cubic root of 137400573 is about 516.0156198324.

The spelling of 137400573 in words is "one hundred thirty-seven million, four hundred thousand, five hundred seventy-three".