137441890 has 8 divisors (see below), whose sum is σ = 247395420. Its totient is φ = 54976752.

The previous prime is 137441851. The next prime is 137441891. The reversal of 137441890 is 98144731.

It can be written as a sum of positive squares in 2 ways, for example, as 137334961 + 106929 = 11719^2 + 327^2 .

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 (137441891) 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, 6872085 + ... + 6872104.

Almost surely, 2^137441890 is an apocalyptic number.

137441890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137441890 is a deficient number, since it is larger than the sum of its proper divisors (109953530).

137441890 is a wasteful number, since it uses less digits than its factorization.

137441890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13744196.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 137441890 is about 11723.5613189849. The cubic root of 137441890 is about 516.0673374253.

It can be divided in two parts, 1374 and 41890, that added together give a square (43264 = 208²).

The spelling of 137441890 in words is "one hundred thirty-seven million, four hundred forty-one thousand, eight hundred ninety".