137166490 has 8 divisors (see below), whose sum is σ = 246899700. Its totient is φ = 54866592.

The previous prime is 137166481. The next prime is 137166499. The reversal of 137166490 is 94661731.

It is an interprime number because it is at equal distance from previous prime (137166481) and next prime (137166499).

It can be written as a sum of positive squares in 2 ways, for example, as 129026881 + 8139609 = 11359^2 + 2853^2 .

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

It is not an unprimeable number, because it can be changed into a prime (137166499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6858315 + ... + 6858334.

Almost surely, 2^137166490 is an apocalyptic number.

137166490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137166490 is a deficient number, since it is larger than the sum of its proper divisors (109733210).

137166490 is a wasteful number, since it uses less digits than its factorization.

137166490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13716656.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 137166490 is about 11711.8098515985. The cubic root of 137166490 is about 515.7224159499.

The spelling of 137166490 in words is "one hundred thirty-seven million, one hundred sixty-six thousand, four hundred ninety".