149361013 has 2 divisors, whose sum is σ = 149361014. Its totient is φ = 149361012.

The previous prime is 149360951. The next prime is 149361041. The reversal of 149361013 is 310163941.

149361013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (149361041) can be obtained adding 149361013 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131400369 + 17960644 = 11463^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 149361013 - 2¹³ = 149352821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149361053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74680506 + 74680507.

It is an arithmetic number, because the mean of its divisors is an integer number (74680507).

Almost surely, 2^149361013 is an apocalyptic number.

It is an amenable number.

149361013 is a deficient number, since it is larger than the sum of its proper divisors (1).

149361013 is an equidigital number, since it uses as much as digits as its factorization.

149361013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 149361013 is about 12221.3343379518. The cubic root of 149361013 is about 530.5737384853.

The spelling of 149361013 in words is "one hundred forty-nine million, three hundred sixty-one thousand, thirteen".