149402686 has 8 divisors (see below), whose sum is σ = 224171064. Its totient is φ = 74679000.

The previous prime is 149402663. The next prime is 149402689. The reversal of 149402686 is 686204941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149402689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940 + ... + 17311.

It is an arithmetic number, because the mean of its divisors is an integer number (28021383).

Almost surely, 2^149402686 is an apocalyptic number.

149402686 is a deficient number, since it is larger than the sum of its proper divisors (74768378).

149402686 is a wasteful number, since it uses less digits than its factorization.

149402686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 149402686 is about 12223.0391474461. The cubic root of 149402686 is about 530.6230787670.

The spelling of 149402686 in words is "one hundred forty-nine million, four hundred two thousand, six hundred eighty-six".