137388045 has 8 divisors (see below), whose sum is σ = 219820896. Its totient is φ = 73273616.

The previous prime is 137388029. The next prime is 137388047. The reversal of 137388045 is 540883731.

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

It is a cyclic number.

It is not a de Polignac number, because 137388045 - 2⁴ = 137388029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137387994 and 137388012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137388047) 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, 4579587 + ... + 4579616.

It is an arithmetic number, because the mean of its divisors is an integer number (27477612).

Almost surely, 2^137388045 is an apocalyptic number.

137388045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137388045 is a deficient number, since it is larger than the sum of its proper divisors (82432851).

137388045 is an equidigital number, since it uses as much as digits as its factorization.

137388045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9159211.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 137388045 is about 11721.2646501988. The cubic root of 137388045 is about 515.9999361517. Note that the first 4 decimals are identical.

The spelling of 137388045 in words is "one hundred thirty-seven million, three hundred eighty-eight thousand, forty-five".