137661546 has 32 divisors (see below), whose sum is σ = 318022848. Its totient is φ = 39261440.

The previous prime is 137661473. The next prime is 137661553. The reversal of 137661546 is 645166731.

It is a super-2 number, since 2×137661546² = 37901402494220232, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 60225 + ... + 62468.

It is an arithmetic number, because the mean of its divisors is an integer number (9938214).

Almost surely, 2^137661546 is an apocalyptic number.

137661546 is an abundant number, since it is smaller than the sum of its proper divisors (180361302).

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

137661546 is a wasteful number, since it uses less digits than its factorization.

137661546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122726.

The product of its digits is 90720, while the sum is 39.

The square root of 137661546 is about 11732.9257220865. The cubic root of 137661546 is about 516.3421128290.

The spelling of 137661546 in words is "one hundred thirty-seven million, six hundred sixty-one thousand, five hundred forty-six".