137489446 has 8 divisors (see below), whose sum is σ = 215200944. Its totient is φ = 65755800.

The previous prime is 137489419. The next prime is 137489477. The reversal of 137489446 is 644984731.

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

It is a super-2 number, since 2×137489446² = 37806695522773832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 2988901 = 137489446 / (1 + 3 + 7 + 4 + 8 + 9 + 4 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 137489396 and 137489405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494405 + ... + 1494496.

It is an arithmetic number, because the mean of its divisors is an integer number (26900118).

Almost surely, 2^137489446 is an apocalyptic number.

137489446 is a deficient number, since it is larger than the sum of its proper divisors (77711498).

137489446 is a wasteful number, since it uses less digits than its factorization.

137489446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988926.

The product of its digits is 580608, while the sum is 46.

The square root of 137489446 is about 11725.5893668506. The cubic root of 137489446 is about 516.1268517123.

The spelling of 137489446 in words is "one hundred thirty-seven million, four hundred eighty-nine thousand, four hundred forty-six".