137245026 has 16 divisors (see below), whose sum is σ = 274777344. Its totient is φ = 45700464.

The previous prime is 137245021. The next prime is 137245027. The reversal of 137245026 is 620542731.

It is a junction number, because it is equal to n+sod(n) for n = 137244984 and 137245002.

It is not an unprimeable number, because it can be changed into a prime (137245021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5490 + ... + 17453.

It is an arithmetic number, because the mean of its divisors is an integer number (17173584).

Almost surely, 2^137245026 is an apocalyptic number.

137245026 is an abundant number, since it is smaller than the sum of its proper divisors (137532318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137245026 is a wasteful number, since it uses less digits than its factorization.

137245026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23945.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 137245026 is about 11715.1622267897. The cubic root of 137245026 is about 515.8208244559.

Adding to 137245026 its reverse (620542731), we get a palindrome (757787757).

The spelling of 137245026 in words is "one hundred thirty-seven million, two hundred forty-five thousand, twenty-six".