137540248 has 16 divisors (see below), whose sum is σ = 264858480. Its totient is φ = 66911328.

The previous prime is 137540239. The next prime is 137540257. The reversal of 137540248 is 842045731.

It is an interprime number because it is at equal distance from previous prime (137540239) and next prime (137540257).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 232036 + ... + 232627.

It is an arithmetic number, because the mean of its divisors is an integer number (16553655).

Almost surely, 2^137540248 is an apocalyptic number.

It is an amenable number.

137540248 is a deficient number, since it is larger than the sum of its proper divisors (127318232).

137540248 is a wasteful number, since it uses less digits than its factorization.

137540248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464706 (or 464702 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 137540248 is about 11727.7554544764. The cubic root of 137540248 is about 516.1904130699.

Adding to 137540248 its reverse (842045731), we get a palindrome (979585979).

The spelling of 137540248 in words is "one hundred thirty-seven million, five hundred forty thousand, two hundred forty-eight".