149537390 has 8 divisors (see below), whose sum is σ = 269167320. Its totient is φ = 59814952.

The previous prime is 149537383. The next prime is 149537407. The reversal of 149537390 is 93735941.

149537390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×149537390² = 44722862016024200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 7476860 + ... + 7476879.

It is an arithmetic number, because the mean of its divisors is an integer number (33645915).

Almost surely, 2^149537390 is an apocalyptic number.

149537390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149537390 is a deficient number, since it is larger than the sum of its proper divisors (119629930).

149537390 is a wasteful number, since it uses less digits than its factorization.

149537390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14953746.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 149537390 is about 12228.5481558524. The cubic root of 149537390 is about 530.7825037908.

The spelling of 149537390 in words is "one hundred forty-nine million, five hundred thirty-seven thousand, three hundred ninety".