149194507 has 16 divisors (see below), whose sum is σ = 187379712. Its totient is φ = 115398720.

The previous prime is 149194489. The next prime is 149194511. The reversal of 149194507 is 705491941.

It is a cyclic number.

It is not a de Polignac number, because 149194507 - 2⁷ = 149194379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149194507.

It is not an unprimeable number, because it can be changed into a prime (149194007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3478 + ... + 17620.

It is an arithmetic number, because the mean of its divisors is an integer number (11711232).

Almost surely, 2^149194507 is an apocalyptic number.

149194507 is a deficient number, since it is larger than the sum of its proper divisors (38185205).

149194507 is a wasteful number, since it uses less digits than its factorization.

149194507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14298.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 149194507 is about 12214.5203344217. The cubic root of 149194507 is about 530.3765059374.

The spelling of 149194507 in words is "one hundred forty-nine million, one hundred ninety-four thousand, five hundred seven".