149396946939861 has 8 divisors (see below), whose sum is σ = 199196053091904. Its totient is φ = 99597902707200.

The previous prime is 149396946939817. The next prime is 149396946939943. The reversal of 149396946939861 is 168939649693941.

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

It is not a de Polignac number, because 149396946939861 - 2¹⁵ = 149396946907093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149396946938861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9522540 + ... + 19735061.

It is an arithmetic number, because the mean of its divisors is an integer number (24899506636488).

Almost surely, 2^{149396946939861} is an apocalyptic number.

It is an amenable number.

149396946939861 is a deficient number, since it is larger than the sum of its proper divisors (49799106152043).

149396946939861 is a wasteful number, since it uses less digits than its factorization.

149396946939861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30959691.

The product of its digits is 14693280768, while the sum is 87.

The spelling of 149396946939861 in words is "one hundred forty-nine trillion, three hundred ninety-six billion, nine hundred forty-six million, nine hundred thirty-nine thousand, eight hundred sixty-one".