149400135946 has 32 divisors (see below), whose sum is σ = 228920852160. Its totient is φ = 73105334400.

The previous prime is 149400135821. The next prime is 149400136003. The reversal of 149400135946 is 649531004941.

It is a junction number, because it is equal to n+sod(n) for n = 149400135896 and 149400135905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25400926 + ... + 25406806.

It is an arithmetic number, because the mean of its divisors is an integer number (7153776630).

Almost surely, 2^149400135946 is an apocalyptic number.

149400135946 is a deficient number, since it is larger than the sum of its proper divisors (79520716214).

149400135946 is a wasteful number, since it uses less digits than its factorization.

149400135946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 149400135946 in words is "one hundred forty-nine billion, four hundred million, one hundred thirty-five thousand, nine hundred forty-six".