149120537 has 2 divisors, whose sum is σ = 149120538. Its totient is φ = 149120536.

The previous prime is 149120513. The next prime is 149120557. The reversal of 149120537 is 735021941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87403801 + 61716736 = 9349^2 + 7856^2 .

It is a cyclic number.

It is not a de Polignac number, because 149120537 - 2⁶ = 149120473 is a prime.

It is not a weakly prime, because it can be changed into another prime (149120507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74560268 + 74560269.

It is an arithmetic number, because the mean of its divisors is an integer number (74560269).

Almost surely, 2^149120537 is an apocalyptic number.

It is an amenable number.

149120537 is a deficient number, since it is larger than the sum of its proper divisors (1).

149120537 is an equidigital number, since it uses as much as digits as its factorization.

149120537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 149120537 is about 12211.4920054840. The cubic root of 149120537 is about 530.2888386445.

The spelling of 149120537 in words is "one hundred forty-nine million, one hundred twenty thousand, five hundred thirty-seven".