149638703 has 2 divisors, whose sum is σ = 149638704. Its totient is φ = 149638702.

The previous prime is 149638681. The next prime is 149638711. The reversal of 149638703 is 307836941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149638703 - 2¹⁶ = 149573167 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149638793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74819351 + 74819352.

It is an arithmetic number, because the mean of its divisors is an integer number (74819352).

Almost surely, 2^149638703 is an apocalyptic number.

149638703 is a deficient number, since it is larger than the sum of its proper divisors (1).

149638703 is an equidigital number, since it uses as much as digits as its factorization.

149638703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 149638703 is about 12232.6899331259. The cubic root of 149638703 is about 530.9023467901.

The spelling of 149638703 in words is "one hundred forty-nine million, six hundred thirty-eight thousand, seven hundred three".