366469138 has 12 divisors (see below), whose sum is σ = 639451422. Its totient is φ = 157058160.

The previous prime is 366469121. The next prime is 366469141. The reversal of 366469138 is 831964663.

It can be written as a sum of positive squares in only one way, i.e., 217946169 + 148522969 = 14763^2 + 12187^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1869643 + ... + 1869838.

Almost surely, 2^366469138 is an apocalyptic number.

366469138 is a deficient number, since it is larger than the sum of its proper divisors (272982284).

366469138 is a wasteful number, since it uses less digits than its factorization.

366469138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739497 (or 3739490 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The square root of 366469138 is about 19143.3836612026. The cubic root of 366469138 is about 715.6145061879.

The spelling of 366469138 in words is "three hundred sixty-six million, four hundred sixty-nine thousand, one hundred thirty-eight".