354890138156 has 12 divisors (see below), whose sum is σ = 653744991480. Its totient is φ = 168105854880.

The previous prime is 354890138089. The next prime is 354890138167. The reversal of 354890138156 is 651831098453.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 354890138098 and 354890138107.

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, 2334803465 + ... + 2334803616.

It is an arithmetic number, because the mean of its divisors is an integer number (54478749290).

Almost surely, 2^354890138156 is an apocalyptic number.

It is an amenable number.

354890138156 is a deficient number, since it is larger than the sum of its proper divisors (298854853324).

354890138156 is a wasteful number, since it uses less digits than its factorization.

354890138156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669607104 (or 4669607102 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 354890138156 in words is "three hundred fifty-four billion, eight hundred ninety million, one hundred thirty-eight thousand, one hundred fifty-six".