390458134 has 16 divisors (see below), whose sum is σ = 640464336. Its totient is φ = 177055200.

The previous prime is 390458027. The next prime is 390458141. The reversal of 390458134 is 431854093.

It is a junction number, because it is equal to n+sod(n) for n = 390458093 and 390458102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11817 + ... + 30340.

It is an arithmetic number, because the mean of its divisors is an integer number (40029021).

Almost surely, 2^390458134 is an apocalyptic number.

390458134 is a deficient number, since it is larger than the sum of its proper divisors (250006202).

390458134 is a wasteful number, since it uses less digits than its factorization.

390458134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42591.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 390458134 is about 19760.0135121411. The cubic root of 390458134 is about 730.9003303108.

It can be divided in two parts, 3904581 and 34, that added together give a triangular number (3904615 = T₂₇₉₄).

The spelling of 390458134 in words is "three hundred ninety million, four hundred fifty-eight thousand, one hundred thirty-four".